Lily doesn’t know ________ she and her friends can do to help the little boy ________ parents have left their hometown for making money.
A. that; whose B. how; who C. what; who D. what; whose
— I’m not going swimming tomorrow afternoon.
— ________. I have to clean up my bedroom.
A. So am I B. Neither am I C. Neither I am D. So I am
— Look at the boy playing basketball on the ground. Is it George?
— It ________ be him. He told me he would play basketball after class, but he’s not sure.
A. mustn’t B. must C. can’t D. may
The thing that matters is not whether you fail or not, ________ whether you try or not.
A. and B. or C. so D. but
Lanzhou is the only capital city that the Yellow River, the second ________ river in China, passes through.。
A. long B. longest C. longer D. length
Only when the work is done ________ be able to go back home.
A. you have B. you will C. will you D. have you
