四级语法系列练习－时态、语态(4)
时间：2019-01-11 作者：英语课 分类：英文语法词汇
10. Until 2 then, his family _____ from him for six months.
A. didn't hear
B. hasn't been hearing
C. hasn't heard
D. hadn't heard
11. Before the first non-stop flight 4 made 5 in 1949, it _______ necessary 6 for all planes to land 7 for refueling.
A. would 8 be
B. has been
C. had 3 been
D. would have been
12. We _____ our breakfast when an old man came 9 to the door.
A. just have had
B. have just had
C. just had
D. had just had
答案：
10. D
译文：到那时为止，他家里有六个月没有得到他的消息了。
本句是过去完成时的用法。到过去某个时候(until then)之前，所发生的动作(hear from...),过去完成时常与表示一段时间的状语(for six month)连用。
11. C
译文：1949 年首次直飞以前，所有飞机都需着陆加油。
本句是过去完成时的用法。在过去某个时间之前一直存在的状态，表示过去的过去，所以用过去完成时。
12. D
译文：我们刚吃罢早饭，就有一位老人上门了。
本句是过去完成时的用法。在过去某个时间(come) 之前已经完成的动作(have breakfast) ，表示过去的过去，所以用过去完成时。
- He arrived home until midnight.他直到半夜才到家。
- She didn't sleep until midnight.她直到半夜才睡。
- I just had a good idea!我有个好主意！
- The boy had a small branch of a tree in his hand.这个男孩手上拿一条小树枝。
- They were not made in china.它们不是中国制造的。
- The monkey made a long arm for the peach.猴子伸臂去摘桃子。
- If necessary,give me a ring.如果需要，打个电话给我。
- Sleep is necessary to health.睡眠对健康是必要的。
- Farmers work on the land.农民在土地上干活。
- How long is it before we land?我们还有多长时间降落？
- Why would you say that?为什么你会这么说？
- Would you please help me?你能帮帮我吗？