--- Why? Tom, your shirt is so dirty! --- Mum, I ______ my storeroom downstairs.
#104102
A
cleaned
B
have cleaned
C
was cleaning
D
have been cleaning
推荐题目
To add to the festive atmosphere，the park ______with some grand lights during some special festivals.
#104350
A
dots
B
will be dotted
C
are dotted
D
have dotted
I'll go to the library as soon as I finish what I .
#101936
A
was doing
B
am doing
C
have done
D
had been doing
—He to the meeting. Have you informed him of it? —Sorry. I to.
#104682
A
hasn’t come; am going
B
didn’t come; have forgotten
C
hasn’t come; forgot
D
doesn’t come; will have
He made it clear that only the point that new technologies hold the key to increasing productivity the economy in the long run.
#102957
A
will it benefit
B
it will benefit
C
will benefit
D
will benefit it
—I hear Jane has gone to the Holy Island for her holiday.—Oh, how nice! Do you know when she ____ ?
#104436
A
was leaving
B
had left
C
has left
D
left