—Can you tell me if Tom has finished his homework?—I've no idea. He ________ it this morning.
#63699
A
has being doing
B
had done
C
is doing
D
was doing
推荐题目
I _______my teacher since last year. I miss him very much.
#41560
A
didn’t see
B
saw
C
haven’t seen
D
see
– Look at these factories. I hate them. They____ many rivers here. --Yes. Something ______ to stop the pollution.
#39701
A
polluted, must do
B
had polluted , must be doing
C
have polluted , must be done
D
were polluting, must be done
— We must stop the hunters hunting the Tibetan antelopes(藏羚羊) in Tibet.— I agree with you. If it ________, they will ________ soon.
#41662
A
goes, disappear
B
goes up, are disappearing
C
goes on, be disappeared
D
goes on, disappear
I’d love to come to your beautiful house. If you invite me, I _______ say “no”.
#40188
A
don’t
B
won’t
C
will
D
will