---- 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
推荐题目
I        the wonderful World Cup final of 2010 live on TV, but this summer vacation I missed it.
#87960
A
could have watched
B
might watch
C
must have watched
D
need have watched
 If my lawyer ______ here last Saturday, he ______ me from going.
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A
had been; would have prevented
B
had been; would prevent
C
were; would prevent  
D
were; would have prevented
Our teacher demanded that all of us ______ English every day.
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A
should practise to speak
B
would practise speaking
C
could practise speaking
D
practise speaking