– Did Alan enjoy seeing his old friend yesterday?
-- Yes, he did. He ______ his old friend for a long time.
| A．didn’t see | B．hadn’t seen | C．hasn’t seen | D．wouldn’t see |
.
The subway timetables are well planned in Norway. Seldom ________ wait very long.
| A．one does have to | B．does one have to | C．one has to | D．has one to |
.
________ being very convenient to shoppers, plastic bags also cause serious white pollution.
| A．Because | B．Since | C．While | D．If |
.
It is easy enough to download and copy, but you should at least write ________ by yourself.
| A．anything | B．everything | C．something | D．nothing |
.
I find singing Karaoke ________, for it takes my mind off my work for a while.
| A．being relaxed | B．to relax | C．relaxed | D．relaxing |
.
Don’t cry over your lost friendship any more. It ________ be helped.
| A．mustn’t | B．needn’t | C．shouldn’t | D．can’t |