You don’t know ______ I want to see you again. It’s a year since I last saw you.
#43405
A
how soon
B
how long
C
how much
D
how often
推荐题目
When the teacher came into the classroom, the students          .
#43626
A
stop to talk
B
stopped to talk
C
stopped talking
D
stop talking
Can you provide us ___ some information _____ the computer? 
#40476
A
for, with
B
with, about
C
about, with
D
with, with