Bob ______ his bedroom by himself. Look! How clean it is!A. sweeps B. swept C. has swept
Mr. Su _____ in Zhuyuan Middle School since 1998. He regards it his second home.
— I’m learning to play ping-pong. — _____ . It’s a popular game. I like it very much.
You shouldn’t ____ your hope. Everything will be better.
— I’m leaving for Hong Kong to visit Disneyland in two days. —
— ____ will you finish your homework? — In half an hour.