问题

busy yesterday, or he ___ you with yourexperiment.

A:was; had helped
B:was; would have helped
C:had been; would have helped
D:were; would have helped

正确答案是：

同类题型

He soon realized that the task he had________was beyond him.[ ]

_____ to him. He is too serious.

____ is it for the dance lesson— It’s 100 yuan.

As she _____ the newspaper, Granny _____ asleep

_________that developed countries want to limit the development of the developing countries in the climate conference in Copenhagen