--Do you know          the man with a pair of sunglasses is?--An actor, I think.
#60077
A
who
B
how
C
what
D
whom
推荐题目
Are those your pen friends?    Yes,              .
#60136
A
they are
B
they’re
C
they are not
D
they
---____ do you exercise, Miss Lin? ---Once a week. 
#60244
A
How long
B
How often
C
How far
D
How soon
I don’t know             . Can you help me?
#59879
A
how to do it
B
how to do
C
what to do it
D
to do what