— The woman biologist stayed in Africa studying wild animals for 13 years before she returned. — Oh, dear ! She ______ a lot of difficulties !
#90563
A
may go through
B
might go through
C
ought to have gone through
D
must have gone through
推荐题目
Mr．White to hospital for an examination yesterday but he was too busy to come．
#87852
A
should come
B
should have come
C
should be coming
D
should had come
Imagine what today’s life would be like if Alexander Bell _____ the telephone more than 130 years ago!
#87256
A
didn’t invent
B
wouldn’t invent
C
hadn’t invented
D
wouldn’t have invented
If you _______ the medicine, you _______ better now.
#89470
A
took; would feel
B
had taken; felt
C
had taken; would feel
D
took; would have felt
Teachers recommend parents_____their children under 12 to ride bicycles to school for safety.
#86966
A
not allow
B
do not allow
C
mustn’t allow
D
couldn’t allow
Sarah, it is high time that you_______; or you won’t have time to______ before the party.
#90030
A
got up; get changed
B
get up; get changed
C
will get up; get changing
D
should get up; get to change