Somepeople fear that ________ air pollution may bring about changes in _______weather around the world

Studying abroad is quite different from life in China.It took me nearly half a year to ________ the language problem and culture shock.

201. Tom _____ into the house when noone.

u regret paying five hundred dollarsfor the painting”“No, I would gladly have paid______for it”

He really doesn’t know how football. Can you teach him