The workers ___ busily when the boss came to look for something she ___ in the office.
#103985
A
had worked; had left
B
were working; had left
C
working; had left
D
had worked; left
推荐题目
Mr. Green stood up in defense of the 16-year-old boy, saying that he was not the one_______.
#99283
A
blamed
B
blaming
C
to blame
D
to be blamed
—Did Jenny clean her house yesterday?—She _______ because she was not quite herself.
#102606
A
hadn’t cleaned it
B
had it cleaned
C
hasn’t cleaned it
D
has it cleaned
— Has Jack finished his homework yet? — I have no idea；he ＿＿it this morning.
#104425
A
was doing
B
had been doing
C
has done
D
did
I’ll go to the library as soon as I finish what I .
#99930
A
was doing
B
am doing
C
have done
D
had been doing
— I'm leaving tomorrow.— Oh, what a pity! I won't be able to see you off. I __ a tele-conference the whole morning.
#101980
A
have
B
am having
C
will be having
D
will have had