Hi, Tom, You look tired–Yes, I _____________ the room all the afternoon

It’s the protection for the trees really matters ,how many trees are planted each year .

在市场上买衣服时，你看到的表示“小” 号的字母是_______.

She_______ a new idea for reducing pollution.

(2014·苏锡常镇四市调研)You know it’s love when all you want is that person to be happy，________you’re not part of their happiness