People tend to live more happily and longer if they are ________ about life.
#19244
A
pessimistic
B
enthusiastic
C
optimistic
D
terrific
推荐题目
The young pianist is very excited because the concert given by him has never been ____ .
#19397
A
successful
B
more successful
C
most successful
D
the most successful
Education in government colleges is very cheap, but if you go to the _____colleges, it is much more expensive.
#18062
A
private
B
personal
C
public
D
personnel
— I’m sorry. That advice wasn’t of much .— Oh, sure it was. As a matter of fact, it was most .
#19393
A
help; helpful
B
useful; use
C
helpful; helpless
D
useless; useful
Train services are usually ________ and run regularly every day.
#19214
A
reliable
B
reasonable
C
flexible
D
comfortable