问题

international agreement, ________to encourage children not to smoke and help peoplekick the habit, was signed on February 27

A:what
B:that
C:which
D:where

正确答案是：

同类题型

Who’s this man in the picture — _______.

His story ___ true.

What made Alice so angry—________ in the rain for an hour.

_________ parents’ complaints, some cities have significantly cut school hours to give children moretime for leisure and play[ ]

To play fair is as important as ______.