—What were your parents doing when you phoned me last night?—They ________with my grandparents.
#39500
A
were talking
B
talked
C
are talking
D
talk
推荐题目
— When _______ you _______ to learn to ride your bike？ — I really can’t remember the time.
#41700
A
do; begin
B
did; begin
C
have; begun
D
had; begun
So far, the moon ________ by man already.
#38542
A
is visited
B
will be visited
C
has been visited
D
was visited
— Could I clean the bedroom for you?— No, thanks. I it myself.
#42767
A
cleaned
B
have cleaned
C
was cleaning
D
had cleaned