—Let’s go dancing tonight.!—Sorry, I ________.I have to go to my guitar lesson.A. mustn’t B. needn’t C. can’t
—Can you help me with my homework , David ? —______________
Tom went to work late the snowstorm.
—Where is Mr Green now ? I haven’t seen him for a few days . —He _____ to Hong Kong .
—Could I borrow your dictionary? —___________, but you have to return it tomorrow.
The meat smells ____________. Throw it away.