While Helen ________ the piano，her mother came in．
#39922
A
was playing
B
is playing
C
played
D
plays
推荐题目
---There ______ a basketball match on TV this evening.--- Oh, that sounds great!
#39319
A
are going to be
B
is going to have
C
will have
D
will be
- Jim isn’t in the classroom. Where is he？- He _____ to the teacher’s office.
#42310
A
wil go
B
has gone
C
had gone
D
is going
-- Where is Paul, do you know?-- He ________ the library. He won’t return until nine.
#36193
A
has been to
B
has gone to
C
goes to
D
went to
While she ______ the newspaper, Granny ______ her.
#39657
A
read; was telephoning
B
is reading; telephoned
C
was reading; telephoned
D
read; telephone