用mustn"t 或must完成句子。1.Cars, buses and bikes ______ go when the traffic light is r
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用mustn"t 或must完成句子。
1.Cars, buses and bikes ______ go when the traffic light is red.
2. The flowers______be watered every day, or it"ll die.
3. No matter who wants to come in,he ______ knock on the door first.
4. You must speak to the old politely, ______you?
5. The children ______swim in the lake. It"s not safe.
6. I haven"t seen Alice several years. She ______be a big girl. |
答案
| 1. mustn"t 2. must 3. must 4. mustn"t 5.mustn"t6. must |
举一反三
—Who is knocking at the door?
—It ______ be Miss Zhang. Because she has just gone to Japan. |
| [ ] |
A. mustn"t
B. can"t
C. may not
D. needn"t |
—______ I put the bike here?
—No, you can"t. |
| [ ] |
A. May
B. Must
C. Need
D. Shall |
| You _____ go and ask Tom. He _____ know the answer. |
| [ ] |
A. must; can
B. need; can
C. can; may
D. must; may |
—Where is your father now?
—I"m not sure．He _______ be in the kitchen． |
| [ ] |
A. may
B. must
C. will
D. need |
—Excuse me, Mr. Li. _______ I close the window? It’s cold now.
—Yes, you _______. |
| [ ] |
A. Can; may
B. May; can
C. Can; can’t
D. May; may |
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