--- Look, the factory is pouring waste water into the river.
--- That’s terrible! Why not _____ them _____ that?
A. keep; doing
B.to keep; to do
C.stop; doing
My father _______ at eight o’clock yesterday evening.
| A. watched TV C. is watching TV |
B. was watching TV D. watches TV |
His mother is ill. He has to ________ her at home.
| A. look at |
B. look after |
C. look for |
D. look into |
It’s a lovely day, _________?
| A. isn’t it |
B. wasn’t it |
C. doesn’t it |
D. hasn’t it |
She hasn’t visited Thailand _______ England yet.
| A. and |
B. or |
C. but |
D. so |
–How long has Mr. Liu taught English? --- _______ 1998.
| A. Since |
B. In |
C. For |
D. At |