—Simon, what do I need to take for the hiking?
—You'd better ________ more water than usual. It's hot today.
A:to take
B:take
C:taking
D:took
下面关于空气污染指数的叙述中错误的是( )。
将双重否定句改为陈述句。
①这一回非叫你在海底住一辈子不可。
②魔鬼非要整死渔夫不可。