Their car broke down while they ________in the desert.
#41763
A
drove
B
were driving
C
are driving
D
will drive
推荐题目
It ____ over 10 years since my grandpa _______.
#41745
A
is, died
B
is, has been dead
C
has been, was dead
D
was, has died
—China develops so fast. —That’s true. It ______ a lot already. 
#42090
A
changes
B
changed
C
will change
D
has changed
- Look! Somebody_______ the sofa.-Well, it wasn't me. I didn't do it.
#39565
A
is cleaning
B
was cleaning
C
has cleaned
D
cleans