问题
MrSmith ______ a grammar book meant for senior high school students and will almost finish it
A:has been writing
B:has written
C:was writing
D:has been written
B:has written
C:was writing
D:has been written
正确答案是：
同类题型
The old man was deeply struck by the beautiful light show ______ he came to the city.
The old people and the children must ____________ in our country.
The homeimprovements have taken what little there is ______ my spare time
_______the sun was not yet up, many people were already taking exercise in the square