A. How B. How much C. How many D. How old
A. at B. from C. to D. for
A. at B. in C. for D. about
A. polluty B. pollutely C. pollutement D. pollution
A. abagree B. unagree C. inagree D. disagree
A. 我们应该保护环境。 B. 我们应该加强环境。 C. 我们不得不爱护环境。 D. 保护环境从孩子做起。
A. 有志者事竟成 B. 有志者,能干的好 C. 有愿望的人,有出路 D. 有意愿的人,能有方法
A. too many B. many too C. too much D. much too
A. convenienty B. convenients C. convenientment D. convenience
A. exercise B. exercises C. exercising D. exercised