题目

A A C B 但是我不是很懂为什么,
1.-----Your job __open for your return.
----- Thanks.
A.will be kept B.will keep
C.had kept D.had been kept
2.It is said that the early European
playing-cards ___for entertainment
and education.
A.were being designed B.have designed
C.have been designed D.were designed
为什么这个不选D？
3.The construction of the two new
railway lines _______ by now.
A.had completed
B.have completed
C.have been completed
D.has been completed
为什么这个不选D？
4.— Do you have any idea what Paul does
all day?
— As I know,he spends at least as much
time playing as he ________.(重庆2007)
A.writes B.does writing
C.is writing D.does write
这道题真是一点也不懂....

提问时间：2021-02-17

答案