– Must I return this book tomorrow? -- No, you _______. You can keep it until next week A can’t B. needn’t C. mustn’t D. shouldn’t
—Is that girl in red ,Sally? —No, it_______ be her. She has gone to Hong Kong.
It’s winter now. We should stay away from cold _______doing sports every day.
—You look very happy, why? —I have got _______ “A” in the math test.
--You look very cool today , Simon . ---___________________
--- I don’t have ___ money to the book . What about you ? --- But I have ___ now . I can borrow you some .