------She looks very happy. She ______ have passed the exam. ------I guess so. It’s not difficult after all.
#63502
A
should
B
could
C
must
D
might
推荐题目
To be honest, I would rather my dog out, which made so many troubles.
#63239
A
not had let
B
I had not le
C
not let
D
not have let
--- I had thought he would be nervous in this speech competition, but he turned out to be calm.--- He quite enough preparation for it.
#62830
A
should do
B
must do
C
should have done
D
must have done
I ________ work out the problem at first, but after my teacher showed me an example, I ________ get the answer easily.
#63120
A
couldn’t; was able to
B
can’t; could
C
wasn’t able to; could
D
was able to; was able to
Food safety is important. Rules to stop people from food pollution.
#76536
A
must make
B
must be made
C
can’t make
D
can’t be made