28．Can you explain how it　　 that you were an hour late，Duncan?

A．came across　　 B．came into　　 C．came about　　 D．came along

27．We thought there would be many people in the hall，but when we got in，we found　　　 ．

A．no one　　 　　　B．nobody　　 　C．nothing 　　　D．none

26．Mr Green asked the pupils to write on　　 line,but Alice just wrote on　　 lines very carelessly．

A．every the second；every few　　 B．every other；every a few

C．every second；every few　　 　　D．every two；every a few

25．Nancy，　　 to turn everything off before you go to bed．OK?

A．is sure　　 B．be sure　　 C．to be sure　　 D．be certain

24．Elizabeth never speaks　　 she is spoken to，for she is not much of a speaker．

A．until　　 　B．unless　 　C．when　 　　　D．if

23．- Something is wrong with my computer．I'll have it　　　 ．

- Don’t worry．I’ll soon have it　　 ．

A．repaired；gone　　 B．repaired；going　　 C．repairing；going　　 D．repair；go

22．- Ellen has made great progress recently．

-　 　and　　 　．

A．So she has；so she has　　 　B．So she has；so have you

C．So has she；so have you　　 D．So have you；so she has

第一节　 单项填空(共15小题；每小题1分，满分15分)

从A、B、c、D四个选项中，选出可以填入空白处的最佳选项。

21．It was 2 o’clock the next morning　　 Betty hurried back home．

A．when　　 　B．that　　 　C．until　 　D．since