Help others whenever you can      you’ll make the world a nicer place to live.  
#55388
A
and
B
but
C
or
D
unless
推荐题目
— ________ times a week do you go to the library? — Twice a week.
#56302
A
How long
B
How soon
C
How often
D
How many
The camera is too expensive ________.
#56131
A
for him to buy it
B
so that he couldn’t buy it
C
so that he can’t buy
D
for him to buy