The tiger, once a animal to humans, is now of disappearing on the earth.
#18534
A
dangerous, danger
B
dangerous, in danger
C
in danger, in danger
D
danger, in danger
推荐题目
Never form the habit of smoking because it ______ human beings.
#19418
A
does harm with
B
is harmful to
C
is harm for
D
does harmful to
The book A Short Guide to Great Britain , which you sent me before I went abroad , offered me ______ guide.I am really thankful.
#19794
A
careful
B
practical
C
humorous
D
acceptable
Would it be ___ for you to pick me up at four o’clock and take me to the airport?
#19266
A
free
B
vacant
C
handy
D
convenient
His friends were ___________and encouraged him to publish his ideas, but Copernicus was cautious.
#17995
A
technical
B
official
C
educated
D
enthusiastic
A new ________ bus service to Tianjin Airport started to operate two months ago.
#20427
A
normal
B
usual
C
regular
D
common