I am sorry this coat is not big enough. I want a one.

He worked ______ hard ______ he could pass the exam. [ ]

We have friends to help us fight against pollution, and trees are one of ________.

Should I talk in English or French? — Do as you _________ . We understand both.

What do you think of the book A Haw Tree written by a woman writer?—It reminds me of the days _____ I spent in the countryside.[ ]