— 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
推荐题目
Before you leave the lab, the doors and windows ____shut in case of rain.
#103452
A
is
B
are
C
is to be
D
are to be
When and where to go for the on-salary holiday _____ yet.
#103343
A
are not decided
B
have not been decided
C
is not being decided
D
has not been decided
—Ann is in hospital.—Oh,really? I ________know.I _____go and visit her.
#101686
A
didn’t; am going to
B
don’t; would
C
don’t; will
D
didn’t; will
He _________ to go through the hard times and finally became a famous artist.
#99293
A
succeeded
B
managed
C
tried
D
enabled
.---Ugh! I’m really cold then really hot,then cold again.I’m getting the flu.-----__________? Maybe you should go home and get some sleep.
#103743
A
Are you
B
Do you
C
Have you
D
Will you