题目内容
About 35% of the rubbish in HongKong can be recycled every year the rest can’t.
A. then B. while C. since
B
解析试题分析：句意:每年在香港大约35%的垃圾被回收利用，而剩余的都没有能回收利用。根据句意可知，这两句话之间是转折的关系，这里的while 的意思是然而；then 是一个副词，意为：然后；since 意思是自从，或既然。根据句意可知选B。
考点：考查连词。
In summer milk will quickly go bad_____ it is put into a fridge.
| A．though | B．unless | C．because | D．once |
— Would your brother go for a picnic?. —If I don’t go, __________ .
| A．so does he | B．so will he | C．neither does he | D．neither will he |
—Would you like to play tennis with me _________ it doesn’t rain tomorrow?
—Sure, _________ I am busy.
| A．if; since | B．whether; but | C．if; unless | D．because; until |
Amy has ten baseballs, she doesn't play them.
| A．and | B．with | C．but | D．so |
There goes the bell. Hurry up, _______ you’ll be late for class.
| A．and | B．or | C．so | D．but |
Everything_______ well, and everyone ______ a good time.
| A．go, have | B．go , has | C．goes, have | D．goes, has |
Not only English but also maths _______ my favourite subject.
| A．is | B．are | C．be | D．am |
—Mary，I don’t know ____ you can come tomorrow morning.
—No problem! I’ll be here _____I’m free then.
| A．if；if | B．if; whether | C．whether；till | D．whether；until |