—Why do you call him Mr．Knowledgeable?— Because he knows almost everything we want to know．
#42559
A
which
B
what
C
who
D
that
推荐题目
— I wonder _ _.— I'm afraid we'll be late.
#43199
A
how we can be on time
B
what we are going to do
C
why we get to school late
D
if we will arrive at the meeting on time
--What kind of movies do you like? -- I like the movies ________about Chinese history.
#42842
A
that are
B
who are
C
which is
D
what are