Being a teacher always encouraging students to think for themselves, I won't tell them answers until they __________ on a math problem for more than an hour.
#101395
A
have worked
B
will have worked
C
will have been working
D
had worked
推荐题目
______ the plan means we must start from the very beginning.
#103458
A
Abandoned
B
Abandoning
C
Being abandoned
D
Having abandoned
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
----- What’s that terrible noise? ----- The neighbors ________ for a party.
#101539
A
are preparing
B
prepare
C
have prepared
D
will prepare
Excuse me.I ________ I was blocking your way.
#99576
A
didn't realize
B
don't realize
C
haven't realized
D
wasn't realizing