问题

The ambulance was just arriving, for a worker, who ______ the window on the second floor, fell off the window

A:had been repairing
B:was repairing
C:has been repairing
D:would be repairing

正确答案是：

同类题型

Are you fond of watching TV— Not a bit I would sit alone in the dark _______ Iwould watch TV

When Helen saw his tutor nod _____ to her, she felt greatly ______ and was convinced that she would be __________ she had been dreaming of

Manuel, could I use your computer———Sorry, I am going to it now.

__________ the directions exactly, you willnever get confused.

Your father’s father is your _____.