We will lose the game unless he ______ us. 
#103226
A
helps
B
helped
C
was helping
D
has helped
推荐题目
They became friends again that day , Until then, they        to each other for nearly two years
#100111
A
didn’t speak
B
haven’t spoken
C
hadn’t spoken
D
haven’t been speaking
Last week I saw a movie adapted(改编) from The Arabian Nights,which ____ by children.
#102449
A
were especially loved
B
is especially loved
C
especially was loved
D
are especially loved
He looked as though he _________ a ghost(鬼).
#103810
A
saw
B
has seen
C
have seen
D
had seen
— Can you come to my birthday party tonight? — I’d love to, but I______ on a patient at 6 o’clock.
#100074
A
will operate
B
am operating
C
will be operating
D
will have operated