. Many people think that it is ____________making such an experiment.
#19913
A
worthwhile
B
worth
C
worthy
D
valuable
推荐题目
The boy is ______ computer games and stays in the Internet cafe all day and night.
#18755
A
interested in
B
enthusiastic about
C
crazy about
D
surprised at
Air is________and of no smell but we can feel its motion when there is a wind.
#19675
A
unavoidable
B
unavailable
C
unaccessible
D
invisible
The new secretary is a quick, _______ worker, and the boss is quite satisfied with her.
#19782
A
subjective
B
sufficient
C
adequate
D
efficient
—— Are there any tickets left ? ——Sorry, There are ______ if____.
#17932
A
few; any
B
a few; some
C
some; few
D
any; some
He's unlucky,and he's always suffering____________ luck one after another.
#20787
A
a sick
B
an ill
C
sick
D
ill