你帮助一位盲人过马路，他会很感激地对你说：( )A．Good. B．Thank you.
Chinese people invented paper _____printing. A. andB. but
Yesterday I ______ my room. A. cleanB. cleaned
Thank you _______ your letter. A. forB. to
A: Happy birthday to you! B:______ A.OK!B. Thank you !
给左边的句子选择正确的答语。
粤公网安备 44130202000953号