What were you doing ________ the thief came in?
A. when B. while C. after
— Were you at home at that time?
— No, I ______ dinner with my friends in a restaurant.
| A．have | B．had | C．will have | D．was having |
— Which do you think is ______ subject, math, music or art?
— Art, I guess.
| A．interesting | B．more interesting |
| C．most interesting | D．the most interesting |
Mike invited me ______ tennis this weekend.
| A．play | B．to play | C．playing | D．played |
— What about this dress?
— I don’t like the colour. Please show me ______ one.
| A．another | B．other | C．the other | D．others |
— Could I borrow your dictionary?
— Of course you ______.
| A．must | B．can | C．should | D．need |