I met a friend of mine       I was walking in the park.
#56579
A
before
B
when
C
because
D
until
推荐题目
 —_____________________? —She is a nurse.
#55884
A
Who is your mother?
B
Is your mother a nurse?
C
Where is your mother?
D
What does your mother do?
 —_______ will the new school be started? —In two years.
#55463
A
How long
B
How far
C
How often
D
How soon
I never know this         he tells me.
#56807
A
after
B
when
C
while
D
until