---- The woman biologist stayed in Africa studying wild animals for 13 years before she returned.---- Oh, dear! She _______ a lot of difficulties!
#89850
A
may go through
B
might go through
C
ought to have gone through
D
must have gone through
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The ground is all wet. It _________ last night.
#87531
A
can’t have rained
B
may have rained
C
can have rained
D
must have rained
The petrol tank is empty. I _________it up before we left home.
#86645
A
had to fill
B
would have filled
C
should have filled
D
could have filled
      , the forest fire would have been discovered much earlier.
#87801
A
But for their care
B
Had they been more careful
C
Without their care
D
If they were careful
Smith was overweight, so the doctor urged that not only ________ have less fat and meat, but also he ________.
#87544
A
should he; take exercise
B
ought he; take exercise
C
he should; takes exercise
D
he ought; takes exercise