My best friend visited my house while I __ __ dinner in the kitchen.
#41582
A
cook
B
cooking
C
cooked
D
was cooking
推荐题目
--When ___ you ____ your school trip? -- In five days’ time.
#36940
A
will, have
B
have, had
C
do, have
D
did, have
When Tim ___ why he was late for school, he just kept silent.
#36297
A
was asked
B
asked
C
was asking
D
is asked
—Nice to see you．I you for a long time． —I in Beijing．I’ve just got back．
#42605
A
hadn’t seen；was
B
haven’t seen；shall be
C
haven’t seen；was
D
didn’t see；have been
This robot is supposed to save a lot of labor, but it remains a problem if it ______.
#37091
A
is
B
saves
C
does
D
has