Unit 3 After School Activities Lesson 2习题 一、单项选择。1.What____ you going to do?A. are B. is C. am2.What is he going to____?A. see B. seeing C. Sees3.we__________ have a picnic. A.is going to B.are going to C.are going 4.He is going to ________ basketball. A.play B.playing C.play...