问题补充:
Scientists have many theories about how the universe into being.
A. came
B. was coming
C. had come
D. would come
答案:
(答案→)A. came
B. was coming
C. had come
D. would come
解析:考查时态的用法。宇宙是如何形成的,因为宇宙的形成这个动作已经发生,所以用一般过去时来表示已经发生的动作。
时间:2021-04-25 01:24:06
Scientists have many theories about how the universe into being.
A. came
B. was coming
C. had come
D. would come
(答案→)A. came
B. was coming
C. had come
D. would come
解析:考查时态的用法。宇宙是如何形成的,因为宇宙的形成这个动作已经发生,所以用一般过去时来表示已经发生的动作。