I am _____ about what I say because careless remarks are likely to hurt others' feelings.
#18693
A
enthusiastic
B
concerned
C
doubtful
D
cautious
推荐题目
 The tickets are________ for 5 days only.
#18128
A
favorite
B
available
C
convenient
D
familiar
_______should not be allowed to get ears pierced.
#34958
A
Twelve-year-old
B
Twelve-year-olds
C
Twelve years old
D
Twelve years olds