There is some doubt _________ Mr Zhang will sign the contract with us.
#69318
A
when
B
whether
C
if
D
that
推荐题目
She is the only one of the students _______ able to answer this question.
#69734
A
who is
B
who are
C
that is
D
that are
I haven’t found my watch yet; in fact, I’m not sure ____ I could have done with it.
#73150
A
where
B
whether
C
what
D
how
A goal is to one’s life ________ a sail is to a boat. _______ can one succeed without a goal.
#69489
A
what; Seldom
B
that; Hardly
C
what; Nor
D
that; Neither
I'd like to work with ______ is honest and easy to get on with．
#73954
A
who
B
whoever
C
whomever
D
no matter who
Clean water and fresh air are essential for our daily life, _______ we can’t live.
#66990
A
by which
B
without which
C
that
D
on which