There’s some doubt __________he’ll keep his promise.
#31569
A
whether
B
when
C
that
D
which
推荐题目
--Shall Mary come and play computer games?--No,__________ she has finished her homework.
#80320
A
when
B
if
C
unless
D
once
Find ways to praise your children often，________ you'll find they will open their hearts to you.(2011·山东)
#30481
A
till
B
or
C
and
D
but
The government is trying to reduce people’s fear _________ they are likely to be affected by the nuclear radiation.
#32915
A
whether
B
what
C
that
D
how
_____ I toured Zhang Jiajie, I was deeply impressed with its beautiful scenery.
#80559
A
For the fust time
B
At first
C
It was the first time
D
The first time