题目

1.Mary ____ my letter; otherwise she would have replied before now .
A has received B ought to have received C couldn’t have received D should to have received
2.From tears in Nedra’s eyes we can deduce that something sad _____ .
A must have occurred B would have occurred C might be occurring D should occur
3.The millions of calculations involved ,had they been done that by hand ,____ all practical value by the time they were finished .
A could lose B would have lost C might lose D ought to have lost
4.My pain ___ apparent the moment I walked into the room ,for the first man I met asked sympathetically ,”Are you feeling all right?”
A must be B had been C must have been D had to be
5.You ___ all these parcels yourself .The shop would have delivered them if you had asked a shop assistant .
A didn’t need to carry B needn’t have carried C needn’t carry D didn’t need carry

提问时间：2021-03-13

答案

1.C,从题意判断：应该还没有收到,收到就应该回复了.
2.A 我们能推断出一定有些让人伤心的事情发生了.
3 D 这些千万的计算项目如果用手算的话,在算出时就应该失去了价值.
4 C 本题是主人公由别人问句推断自己的行为,推断为疼痛一定很明显
5 A 本题为过去时,need这里不作情态动词.