—_____ you please play tennis with me? —Sorry, I _____.
A. Could; can’t
B. Could; couldn’t
C. Can; couldn’t
Smoking is bad for your health. You should .
A. give up it
B. give it up
C. give up them
Aron water five days later.
A. ran out B. used out C. ran out of
This is______ difficult problem that few students can work it out.
A. so B. so a C. such a
He lives _______ in the village, but he never feels_______.
A. alone; alone B. alone; lonely C. lonely; alone
—Hi, Li Ming. Why are you in such a hurry?
—_______ the 7:00 train.
A. To catch B. Catching C. Catch