— 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
The road ______and it will be finished by the end of next year.
#101661
A
is built
B
is being built
C
has been built
D
was built
-----What were you up to when she dropped in?------I______ for a while and _____ some reading.
#102898
A
had played ; did
B
played; did
C
had played :was going to do
D
was playing; was going to do
I listened carefully to his long boring speech, but could not what he was talking about.
#99882
A
pick out
B
make out
C
bring out
D
give out
The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck.
#104774
A
was
B
were
C
had been
D
would be
---- An ant has two stomachs --- one for itself and the other for others. ----Really? Quite interesting. I ________ anything about it.
#102385
A
don’t know
B
hadn’t known
C
haven’t known
D
didn’t know