I        my homework while my mother was reading a book last night.
#40089
A
did
B
do
C
was doing
D
were doing
推荐题目
—_________ you _________ the terrible news about Libya?—Yes, I _________ it this morning. The people there will suffer from the war.
#40190
A
Do, watch; have done
B
Did, watch; did
C
Have, watched; did
D
Had, watched; will do
We won’t go to the park if it   ________ tomorrow.
#42369
A
rains
B
has rains
C
rained
D
will rain
Inthepast few years,thousandsoffilms     all overtheworld.
#40491
A
have produced
B
have beenproduced
C
are producing
D
are beingproduced