题目

两个英语习题求解!
3.The space age__in October 1957 when the first artificial satellite was launched by the Soviet Union.
A.initiated B.originated C.embarked D.commenced
这个题选什么?这四个选项有什么区别,如何区分?
4.Tom might have come to school in time for the lecture__/
A.if he got up earlier B.unless he had got up earlier
C.but he got up very late D.but he had got up very late
这个题应该选什么?为什么不选D?D错在哪里了?

提问时间：2021-04-01

答案

D.commenced.initiate是及物动词,用法是：…….initiates sth originate是起源于的意思,不合适embark和on或upon搭配才有开始的意思,而且embark on/upon后面需要有宾语.commence有begin/start的意思,可以做及物动词,...