Li Lei is one of ________ in our class.

35．—Why didn’t you remind him of the possible danger? —But what ____ otherwise? He never listens to me．

I have already made a decision what attitude to adopt _________ this matter

________ and short of breath, Andy and Ruby were the first to reach the top of Mount Tai.

1I must return the book tothe library. I _____ it for one week.