-__________ can you finish your homework, Ben?- In thirty minutes. 
#77165
A
How far
B
How soon
C
How long
D
How often
推荐题目
 —Must we finish the project in a month?—No, you _______. 
#74870
A
mustn’t
B
needn’t
C
can’t
D
don’t
Mr. Smith has promised that all of us will pass the exam, so it ____ so difficult as you imagine.
#63382
A
can’t have been
B
can’t be
C
mustn’t have been
D
mustn’t be