--- I was lucky to win a gold medal in the 800-meter-race. --- You __________ through tough training.
#63221
A
must go
B
should go
C
must have gone
D
should have gone
推荐题目
 — Can we leave the classroom now?— No, you ______. You ______ to leave until the bell rings.
#74363
A
mustn’t, are allowed
B
don’t have to, are allowed
C
needn’t, aren’t allowed
D
can’t, aren’t allowed
--How does Jack usually go to school?  --He_____________ride a bike, but now he_______________there to lose weight.
#78085
A
used to, is used to walk
B
was used to, is used to walking
C
was used to, is used to walk
D
used to, is used to walking