_________that developed countries want to limit the development of the developing countries in the climate conference in Copenhagen.
Can you help me _________ this cat? I go to my grandparents’ home this afternoon.—OK.
Yesterday I lost my pencil sharpener. I couldn’t find_______.—Oh, it’s a pity. You’d better buy ________ this afternoon.
Is this the first time you _____Chengdu ?—-No. But the first time I _____here, the city wasn’t so beautiful.
What’re you going to do to protect the environment? — Plant trees on side of the river.