---_______do you send e-mails to your pen friend? ------Once a month.
#56239
A
How long
B
How far
C
How much
D
How often
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
Some of the students are nearsighted______they spend too much time watching TV or playing online games.
#55869
A
when
B
though
C
because
D
unless
I didn’t _____ you were going to leave_____ 3 o’clock.
#55121
A
find; at
B
realize; until
C
remember; before
D
tell; after