—What were you doing this time yesterday?  —I _______ some cleaning at home. 
#41520
A
am doing
B
was doing
C
do
D
did
推荐题目
Hurry up! The film            for ten minutes.
#41770
A
began
B
has been on
C
has begun
D
will begin
 —Could you tell me if Li Lei____________ to my party, Linda?—Sorry, I am not sure. If he ___________, he’ll call you.
#36164
A
is coming, will come
B
will come, will come
C
is coming, comes
D
comes, will come
Look! The boys _______ football on the playground.  
#42331
A
plays
B
play
C
are playing
D
played