雅思基础语法练习及答案

小黑雅思基础语法练习及答案

语法练习

Complete the following sentences by circling the missing words.

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

Science still

a cure for cancer.

a.

doesn’t find

c.

hasn’t found

b.

haven’t found

d.

aren’t finding

While he

a route to the Indies, Columbus discovered America.

a.

searched

c.

had searched for

b.

was discovering

d.

was searching for

Existing reserves of fossil fuel by

2045.

a.

have been run out

c.

is going to be run out

b.

will have run out

d.

have run out

If

logging

of

tropical

rainforests

continues

at

the

present

rate,

a

30

per

cent

increase

in

atmospheric CO2 by the year 2000.

a.

there will be

c.

there would be

b.

there might have been

d.

there could not have been

Only by investing heavily in value- added exports

from the present trade imbalance.

a.

the country can emerge

c.

can the country emerge

b.

the country might emerge

d.

the country emerged

The mystery of the double helix

, the scope for genetic engineering dramatically increased.

a.

having solved

c.

solving

b.

having been solved

d.

solved

Since the mid-

’60s considerable research in embryo transplants

.

a.

has carried out

c.

has been carried out

b.

was done

d.

was carried out

several

hypotheses

have

been

advanced

for

the

disappearance

of

the

dinosaur,

no

conclusive evidence supports any of them.

a.

despite

c.

although

b.

in spite of

d.

in spite of the fact

th

Until the 16

century the earth

to be flat.

a.

is believed

c.

believed

b.

has been believed

d.

was believed

If the temperature of the reactor

500C higher meltdown would have occurred.

a.

was

c.

was being

b.

had been

d.

had

adequate precautions are take, there is no risk involved in the operation.

a.

Although

c.

Nevertheless

b.

Providing

d.

Even

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

My supervisor advised me to

the problem.

a.

look ahead

c.

look out of

b.

look down

d.

look into

The more acid you add to the solution,

it becomes.

a.

cloudier

c.

the cloudiest

b.

the cloudier

d.

more cloudy

The lecturer said ‘It’s time you

the literature review

.’

a.

began

c.

should begin

b.

begin

d.

are beginning

After studying our experimental results, the tutor suggested

the experiment.

a.

us to repeat

c.

we repeat

b.

that we to repeat

d.

me to repeat

After

your results you should make an appointment with your tutor.

a.

you receiving

c.

you have received

b.

you would have received

d.

you received

You

the experiment twice, not once.

a.

should have carried out

c.

haven’t carried out

b.

shouldn’t have carried out

d.

couldn’t have carried out

It looks

you’ve made a mistake.

a.

as

c.

if

b.

as though

d.

perhaps

After receiving her results, the student stopped

.

a.

to worry

c.

worrying

b.

having worried

d.

to be worried

You

include this section. It is not necessary

a.

must

c.

don’t need

b.

couldn’t

d.

don’t have to

Unless

an extension at least one week before the due date, it will not be given.

a.

you request

c.

you requested

b.

you will request

d.

requesting

The assignment made me

.

a.

to think hard

c.

think hard

b.

thinking hard

d.

thought hard

The scientists were prohibited

the danger zone.

a.

to enter

c.

enter

b.

entering

d.

from entering

the right answer I would have got full marks.

a.

Had I known

c.

If I’ll know

b.

if I would have known

d.

If I was knowing

The results were

convincing that we decided to publish them.

a.

so

c.

very

b.

such

d.

so much

way you do it, the answer is always the same.