Many factories poured out dirty water and polluted the Pearl River.
A. made ... clean
B. made ... full
C. made ... dirty
It’s very kind _________ you to help me carry the boxes since it is difficult _________ a person like you to carry so heavy things.
| A．of, of | B．of, for |
| C．for, of | D．for, for |
____ of the students has finished the exam, so ___ has come out of the classroom.
| A．None, no one | B．Nobody, none |
| C．No one, nobody | D．None,not anyone |
We think white looks good ________ you, but people with black skins don’t look
good ________ white.
| A．on, on | B．in, in |
| C．on, in | D．in, on |
—You can stay at home alone or go shopping with me, Jim. What do you prefer?
—Well, I prefer ___________ at home to _____________ shopping, Mum.
| A．staying; go | B．staying; going |
| C．stay; go | D．stay; going |
— Chinese clay art, you should choose a very special kind of clay first.
— Yes. This kind of clay is easy to shape.
| A．Making | B．Make |
| C．To making | D．To make |