2019年mpa考试英语真题——动词的时态328

{01}He ______ the job well, but he ______ so careless.
A.hadn"t done ; had been
B.could have done ; was
C.could do ; was
D.had done ; had been
解析：
本题选B。

{02}If the weather had been better, we could have had a picnic. But it _____ all day. A.rained
B.rains
C.has rained
D.is raining
解析：
本题选A。

{03}I was out of town at the time, so I don"t know exactly how it ____.
A.was happening
B.happened
C.happens
D.has happened
解析：
本题选B。