—Did you return Fred's call?—I didn't need to ________ I'll see him tomorrow.
I can't __ the difference between them because they look like the same.
He ___ work in Hangzhou, did he?
Do you know __ to deal with this kind of person? A, how B. which C.what D. that
I ___ I will meet him in the street some day.
___ you ___ the climate here?