________ medicine works in a human body is a question ________ not everyone can understand fully.
A.What; that B.How; that C.That; what D.That; which
The girl devoted all her spare time she had ______ others.
A.to help B.helped C.to helping D.help
We won’t start the work until all the preparations __________.
A.are being made B.will be made
C.have been made D.had been made
— The buyer ______ me 50 yuan for MP4. Shall I sell it?
— Why not? Your MP4 is out of date and it isn’t worth so much.
A.provided B.offered C.charged D.supplied
He proved himself a true gentleman and the beauty of his ______ was seen at its best when he worked with others.
A.temper B.appearance C.talent D.character
— I see you got a “D” in biology ______ ?
— Well, I found that subject hard. I think I’ll drop it for history.
A.How come B.Why not C.So what D.Who cares
