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
 She looks very _____ but I can’t remember her name.
#20651
A
similar
B
familiar
C
friendly
D
strange
—I’m leaving on April 30. —So why not come to spend ________ days with me?
#20779
A
all these last few
B
these all last few
C
these last all few
D
all last these few