— 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
_______Wale_______at school，he would gain much higher a salary.
#88924
A
Had;worked
B
If;worked
C
Did;work
D
If;has worked
— Thank God! The accident was avoided after all.—That was lucky, but ten inches nearer the two cars _________?
#86562
A
was destroyed
B
would be destroyed
C
would have been destroyed
D
had been destroyed
The space suits can be adjusted so that the team can reproduce different levels of gravity as if they________in space.
#86407
A
are
B
has been
C
were
D
had been
---Someone’s been here. Who ___ it be? It looks like Helen.---It ___ be Helen.She is ill in hospital.
#88920
A
must; must
B
might; could
C
can; mustn’t
D
can; can’t