When the old man ______ to walk back to his house, the sun ______ itself behind the mountain. 
#100109
A
started; had already hidden
B
was starting; hid
C
had started; had already hidden
D
had started; was hiding
推荐题目
Look out! That tree _____ fall down.
#101258
A
is going to
B
will be
C
shall
D
would
They made up their mind that they______ a new house once Larry changed jobs. 
#99080
A
bought
B
would buy
C
have bought
D
had bought
It       for the whole week. The city will be flooded if it       soon.
#100808
A
rained; won’t stop
B
has been raining; doesn’t stop
C
has rained; won’t stop
D
rained; doesn’t stop
Playing computer games ______ much of his time.
#99808
A
picks up
B
takes up
C
gets up
D
comes up