While my mother________ some washing, I was making a kite for Mary.
#40261
A
did
B
was doing
C
is doing
D
does
推荐题目
The volunteers __ a lot of help to the community for nearly ten years.
#41617
A
offered
B
will offer
C
are offering
D
have offered
There ______ a dolphin show in the zoo tomorrow evening.
#37869
A
was
B
is going to have
C
will have
D
is going to be
His fahter _____in New York last Friday. But he _____here now.
#41583
A
is , was
B
was, is
C
were, is
D
were, was