While   he ________ his homework , his mother came in.
#41781
A
does
B
did
C
was doing
D
do
推荐题目
—Shall we meet at the station at 8 a.m.?—In fact, we __________. The train ________ until 10 a.m.
#39544
A
mustn’t, doesn’t leave
B
mustn’t, leaves
C
needn’t, won’t leave
D
needn’t, will leave
There ________ a wonderful English movie in the school hall next Sunday.
#41506
A
is going to
B
is going to be
C
has
D
have
We aren’t sure of the weather. We _______ sightseeing unless it_________ tomorrow.
#37743
A
will go; won’t rain
B
won’t go; doesn’t rain
C
will go; rains
D
won’t go; rains
My brother came back home while I           homework.
#36261
A
am doing
B
did
C
was doing
D
were doing