It’s a fact ____ he has not received the letter.
#34044
A
that
B
which
C
whether
D
what
推荐题目
The researchers found clear and convincing evidence _________ happiness is the key when it comes to better health and longer lives.
#30504
A
where
B
whether
C
how
D
that
Kathy opened her mouth, expecting a candy and then looked puzzled______ she got nothing.
#32102
A
when
B
although
C
so
D
Once
It is an interesting story and one can't put it down _____ one has finished reading it.
#32027
A
after
B
when
C
since
D
until