—I think everyone must do his best to _______pollution.—If so, there will be a good future for people of tomorrow.A. keep B. stop C. stand
--How clean the window is! --Yes. It ________ just now.
--Where is Jim? --He ________ Chengdu.
--What’s your ________? --I like collecting stamps.
— I went to have the driving test this morning, but I didn’t pass it. — ___________
-- He’s seldom late for school, ___________? --No. He is used to going to school early.