---- What was wrong with you yesterday evening?---- I ____ my homework when the light went off suddenly.
#42201
A
doing
B
was doing
C
did
D
have done
推荐题目
While she       , she cut herself.
#38471
A
was cooking
B
cooked
C
had cooked
D
cooks
During the last 3 years, the students ________ more than 2000 English words.
#38405
A
have learned
B
learned
C
are learning
D
will learn
 —Is your brother at home?—No. He ________ the library. He hasn’t come back yet.
#36592
A
was going to
B
has been to
C
has gone to
D
goes to