How long do you think it will be _______ scientists succeed in providing a cure for cancer?
#92242
A
when
B
after
C
since
D
before
推荐题目
Is this the third time that you ________ late?
#93802
A
have been
B
am
C
was
D
had been
These shoes look very nice. I wonder _______________.
#93623
A
how much they are cost
B
how much do they cost
C
how much are they cost
D
how much they cost
___ is believed ___ more and more people would fly to the moon in the future.
#94814
A
That, like
B
This, as
C
It, that
D
Man, when
Rather than ____ on a crowded bus, he always prefers ______ a bicycle.
#92679
A
ride; ride
B
ride; to ride
C
riding; ride
D
to ride; riding