Bob would have helped us yesterday, but he ________.
#99049
A
was busy
B
is busy
C
had been busy
D
will be busy
推荐题目
It is said that the early European playing-cards ______ for entertainment and education.
#102353
A
were designed
B
have designed
C
have been designed
D
were being designed
Mr. Lee, who _______ as a carpenter for over 10 years, is now a very famous statesman in this country.
#102270
A
has worked
B
had worked
C
worked
D
works
He told his friends that he ___ what he was reading at the same time the day before.
#103983
A
was just asked
B
just asked
C
had just asked
D
had just been asked
—You don’t look well． Are you ill?—No, the mid-term exam is coming and I reading until midnight．
#101046
A
stayed up
B
am staying up
C
have stayed up
D
will stay up