Three years ago, he got （）drugs. Now with my help, he decides （）giving it up.

单项选择题The kind of office equipment will certainly make a(n) （）to the way I do my job.

A. sense
B. difference
C. effect
D. meaning

单项选择题Lily is kind and always （）her help to others.

A. offers
B. shares
C. makes
D. receives

单项选择题His effort finally （）, so he was very excited.

A. paid for
B. cost
C. is spent
D. paid off