—How unhappy your roommate looks!—Yes, but he's not willing to tell me what it is ________ is troubling him.
#84716
A
what
B
which
C
as
D
that
推荐题目
It’s the gases ___ natural gas and the burning of coal give off ____ add to the overheating of the earth.
#85172
A
that; what
B
that; that
C
which; which
D
that; which
---- Who is it that is making so much noise upstairs? ---- ______ the students preparing for the New Year’s Party.
#85240
A
There are
B
They are
C
It is
D
That is
It's not how much money you make or who your daddy is ______ makes you the most attractive person in the world but the way you do some simple things.
#85241
A
that
B
which
C
what
D
who
---Do you often cook at home, Lucy?---No, It is my husband _________ does most of the housework.
#85147
A
that
B
whom
C
what
D
which
It’s exactly ______ we do ______ has changed the world.
#84983
A
which; that
B
how; that
C
how; what
D
what; that