— The room is dirty. — I know. It ______ for several weeks.
#101322
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
It was the third time that I ________ of the changes of the timetable.
#99946
A
had informed
B
have informed
C
had been informed
D
have been informed
—Hi, Susan, you look tired.—I ______ for months for the coming celebration for the school’s 60th anniversary.
#101623
A
was preparing
B
have been preparing
C
had prepared
D
prepare
Now that she is out of a job, Lucy _____ going back to school, but she hasn’t decided yet.
#105004
A
had considered
B
has been considering
C
has been completed
D
is going to consider
It ______ that Tokyo will be the host city for the 2020 Summer Olympic Games.
#100241
A
will report
B
will be reported
C
has reported
D
has been reported
---Don't put the waste on the ground. ---Oh, I'm very sorry. I ________ the dustbin（垃圾箱） there.
#101450
A
don't see
B
isn't seeing
C
didn't see
D
haven't seen