You must turn off the gas after cooking You can never be ______ careful withthat

The number of endangered plants and animals________increasing,because a large number of their natural habitats________being destroyed. [ ]

How many cars _______in the factory every month–About 2000.

The price of food, clothes, houses __________ so quickly these years. —Yes. I think so.

Where are you going to spend your summer holiday? —I’ll go _____ it is already cool