问题

There are lots of spelling mistakes in your composition. —– You _____ be joking ! I checked it several times before handing it in.
A:should
B:could
C:would
D:must
B:could
C:would
D:must
正确答案是:
同类题型
Do you climb mountains every day—Yes, ___ a little exercise. I’m so out of shape.
________ do you study for tests —I work with my friends.
Granny often tells us not _______ others in our daily life.
Can I use your notebook computer this afternoon ________ is under repair.— No problem.
Before a problem can be solved, it must be obvious ______the problem itself is.