I don’t think it is __________taking the trouble to explain the question to him.
#19163
A
worth
B
worthy
C
worth of
D
worthwhile
推荐题目
It is required that passengers remain ________ when the plane is taking off or landing.
#18805
A
sit
B
seating
C
sat
D
seated
----What will you buy for your husband’s birthday? ---- I want to buy a ________ wallet for him．
#19183
A
small black leather
B
black leather small
C
small leather black
D
black small leather
She can speak _______ in front of Mack, but she can’t eat ______ in his restaurant.
#20644
A
free, free
B
free, freely
C
freely, free
D
freely, freely
Jane is high school student in the United States.
#34836
A
a 18-year-old
B
a 18-years-old
C
an 18-year-old
D
18-years-old