It’s nice to see you again. What        since we last met?
#100414
A
have you done
B
had you done
C
have you been doing
D
did you do
推荐题目
The milk must be preserved at this temperature until it ____.
#101024
A
will process
B
is processed
C
has processed
D
had been processed
 Don’t leave the chairs about, or you may ______ them at night.
#99797
A
take over
B
turn over
C
come over
D
trip over