E- mail is very popular today. People seldom write letters now, _________?
#69661
A
did they
B
do they
C
didn’t they
D
don’t they
推荐题目
 Behind the department store there used to ______ much waste, _______?
#68979
A
have; usedn’t it
B
being; usedn’t there
C
be; usedn’t it
D
be; usedn’t there
He could hardly work alone, _______?
#69225
A
could he
B
couldn't he
C
didn't he
D
did he
Tom used to be late, __?
#69277
A
didn’t he
B
isn’t he
C
did he
D
use not be