I can’t find the book about famoussportsmen ____ I borrowed from the library yesterday.

knew anything about car mechanics, I’m sure hewould help us fix the car, but he ______ even less than we do

The boy whom you lent the bike to ____ by a car

My English teacher is very ______ because he always explains problems over and over again.

当别人称赞你时, 你应该说: “____”。