I didn’t know he came back __________ I met him in the street . 
#58461
A
since
B
when
C
until
D
after
推荐题目
—How long has Eliza been a nurse?—___________. 
#55503
A
Since 2002
B
Four years ago
C
In 2002
D
For 2002
He _____go to play basketball because he is busy.
#55856
A
don’t
B
isn’t
C
doesn’t
D
aren’t