While he ________ his homework , his mother came in.
#41781
A
does
B
did
C
was doing
D
do
推荐题目
—Oh, you look tired. Why?—I ________ to the Great Wall yesterday. It was really wonderful.
#36601
A
went
B
will go
C
goes
D
go
My mother was cooking while I_________ the radio.
#40677
A
listened to
B
have listened to
C
was listening to
D
am listening to
—What ________ your brother ______ last weekend?—He visited his friends.
#42586
A
are /doing
B
is /doing
C
does /do
D
did / do
—Is Kate coming to the party this evening?—No, she _________ be at the party. She________ to the UK.
#36771
A
mustn't; has gone
B
mustn't; has been
C
can't; has gone
D
can't; has been
