--       is the man behind the tree?  -- He is my teacher.
#56086
A
What
B
Where
C
Who
D
Whose
推荐题目
The boy can speak English well, _____he’s only ____eight-year-old boy.
#56903
A
and, an
B
or, a
C
although, an
D
because, a
_____ I was in the USA, I made a lot of friends there.
#55170
A
While
B
Although
C
Unless
D
Until