Question

高中英语单选！！

1. We on this project for four hours. Let’s have a rest.
A. are working B. have been working C. worked D. had worked
2.If you plant watermelon seeds in the spring, you fresh watermelon in the fall.
A．eat B．would eat
C．have eaten D．will be eating
3.For many years, people electric cars. However, making them has been more difficult than predicted.
A．had dreamed of B．have dreamed of C．dreamed of D．dream of

Answer 1

1.答案：B.
句意：我们在这项工程上一直工作了四个小时了。咱们休息一会。
解析：从句子的时间状语for four hours和后面的句子Let’s have a rest可知，动作从过去发生，到说话的时候一直在进行着，所以此处要用现在完成进行时态。
2.答案D
解析：本题考查条件句的时态。根据句意：如果你在春天种下西瓜种子，你会在秋天吃到新鲜的西瓜。可以判断这是真实的条件从句，会发生的事情，所以选择will be eating表将来。
3.答案：B
解析：本题考查时态。根据句意：许多年来，人们都一直梦想着电动汽车。然而，制造它们比想象要难得多。由此，推断此处的梦想从过去到现在，并由此延伸。目前，市场上已经有了电动汽车，所以应用现在完成时。

Answer 2

1、B
2、D
3、B

Answer 3

1.B 2 B 3 A

Answer 4

B
D
B

Answer 5

B ; D ; B

Answer 6

B D B