Our classroom by us every day!
#38468
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned
推荐题目
–What did you do last Sunday?–I ________ to see the movie Tai Jiong with my friend. It was really funny.
#39510
A
go
B
had gone
C
have gone
D
went
- You seem familiar with Mr. John?-Of course, we_______ together for three years in the 1990s.
#39563
A
have worked
B
were working
C
are working
D
worked
You can’t get in. The exam _________ for over 30 minutes.
#40688
A
has been on
B
has begun
C
began
D
has started