There’s some doubt __________he’ll keep his promise.
#31569
A
whether
B
when
C
that
D
which
推荐题目
You ought to have a good rest ________ you’ve finished your painting.
#33391
A
even if
B
when
C
now that
D
as long as
_______ a small number of Australians are bitten by spiders each year, most recover without any medical treatment.
#31526
A
While
B
Unless
C
When
D
Because
The question_______ you should take this medicine should be decided by your family doctor.
#31638
A
why
B
if
C
whether
D
that
— Where is my English book?— I brought it to you _____you were in hospital yesterday afternoon.
#80227
A
since
B
if
C
once
D
while