--- Do you think he will do me a favor?--- As far as I know, he is the last one to help others. He be prepared to give you a hand, though.A. can B mustC. might D. should
—How come you are always staring at me this morning? —You look stupid! The way you wear is________ annoys me most.
Various optional courses being available, we can choose ________ based on our own interest.
Come and see me whenever ___________.
The job is not very rewarding ________ money, but he is getting valuable experience from it.
As ________ mountains surrounding our village are turning much greener, they have become ________ home to a large number of wild animals.