The scientist decided to devote his life to ____ pollution from ____ again.
#66898
A
preventing; happening
B
prevent; happen
C
preventing; happens
D
preventing; will happen
推荐题目
They ______ that the books be returned to the school library at once.
#75633
A
hoped
B
wished
C
demanded
D
permitted
The international agreement, ______ help people kick the habit of smoking, was signed on February 27.
#80310
A
intended to
B
intending to
C
being intended to
D
intending to
His explanation was so confusing that I could hardly make any of it at all.
#68990
A
meaning
B
sense
C
idea
D
significance
