Have you ever seen any trees ________ leaves were black because of the polluted air?
#66808
A
whose
B
that
C
which
D
who
推荐题目
Along with the letter was his promise _______ he would visit me this coming Christmas.
#72541
A
which
B
that
C
what
D
whether
I think you ought to end it ____ it is too late, or you’ll kill yourself.
#73154
A
even if
B
before
C
so that
D
once
The hospital has been set up in ________ was a waste land many years ago.
#69999
A
which
B
that
C
where
D
what
The old town has narrow streets and small houses _____are built close to each other.
#68989
A
they
B
where
C
what
D
that