--Is Jack in his room?---No,I saw him _____ out with his backpack just now.A. go B. going C. went
________ Saturday, I often get up ______9:00 a.m.
— Are you Peter? — Yes,.
— ________ is this pencil box? — It’s Millie’s.
Please stop ______ the new words. Listen to the tape now.
Boys and girls, ______ at the blackboard, please.