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
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-- Sir, could you please wait for another 20 minutes and we’ll serve you very soon.-- Another 20 minutes? It was only 6 o’clock ________ I got here, but it’s 7∶10 now.
#92021
A
since
B
when
C
that
D
before
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