Something ___ to save our earth. Do you think so?
#88938
A
can do
B
must do
C
has to do
D
must be done
推荐题目
— Did you scold him for his mistake?— Yes, but _____ it.
#90436
A
I’d rather not do
B
I’d better not do
C
I’d rather not have done
D
I’d better have not done
— Linda hasn’t shown up yet.— It’s strange. She ____.
#87701
A
could
B
might
C
must have
D
should have
The young man insisted that he_____nothing wrong and___free. 
#89951
A
did; set
B
had done; should be set
C
do; be set
D
had done; must be set