While he ________ his homework , his mother came in.
#41781
A
does
B
did
C
was doing
D
do
推荐题目
--- What’s your brother? ---He _______ a teacher, but now he is a doctor.
#40618
A
used to be
B
was used to
C
use to be
D
is used to be
There ____ a class meeting tomorrow afternoon.
#37771
A
is going to have
B
is going to be
C
is having
D
is going to having
I ________you yesterday afternoon，but you ________at home.
#38449
A
call，aren’t
B
am calling，aren’t
C
called，were
D
called，weren’t
What ________ you ________ for this winter holiday? I’m not sure, Maybe I’ll just stay at home. I’ll have a big text after the holiday.
#37386
A
did, do
B
are, doing
C
do, do
D
were, do