—Why are you late today.Mary?—I’m sorry,Mr Li.My bike ________ on the way.
#102381
A
broke down
B
has broken down
C
breaks down
D
had broken down
推荐题目
She told me that she had mailed part of the products and that the rest ______ in a few days. 
#99232
A
has followed
B
have followed
C
was following
D
were following
When the old man ______ to walk back to his house, the sun       itself behind the mountain. 
#101758
A
started; had already hidden
B
had started ;had already hidden
C
had started; was hiding
D
was starting; hid