—— Why? Tom, your shirt is so dirty! —— Mum, I ＿＿＿＿＿ my storeroom downstairs。
#104641
A
cleaned
B
have worked
C
was cleaning
D
have been cleaning
推荐题目
She’s already two hours late. What ______ to her?
#104859
A
can have happened
B
may have happened
C
should have happened
D
must happen
- I'm sorry. I ____________you _______ to me.
#104238
A
don’t know; are speaking
B
don't know; were speaking
C
didn't know; were speaking
D
didn't know; are speaking
If you stick to it, this plan ______ that your company is well prepared to deal with future challenges.
#100867
A
ensured
B
will ensure
C
ensures
D
would ensure
At present a special village _______ for the athletes from different countries to live in.
#101254
A
is built
B
is being built
C
builds
D
is building