He has worked in the city _______ three years ago while his wife has been here______only one month.
#40173
A
since , for
B
since, since
C
for, since
D
for, since
推荐题目
 —___________ do you use the computer?—Almost every day. 
#40314
A
How long
B
How far
C
How often
D
How soon
Don’t worry, Tom! I’ll send you an email __________.
#42089
A
as soon as possible
B
as soon as quickly
C
as soon as can
D
as quick as I can
 —______ do you surf the Internet?—About twice a week.
#35793
A
How soon
B
How often
C
How long
D
How far