你帮助一位盲人过马路,他会很感激地对你说:A.Good. B.Thank you.
Mom is ______ a letter.A. writing B. write C. writeing
I am talking ____ you.A. for B. to C. on
Do you want to _____ to the zoo?A. go B. going C. speak
______ is your brother doing? A. Who B. What’s C. What
What _____ you doing?A. is B. are C. do