Page 20 - flip prim 3 Unit 2_Neat
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6.You _____ forget your keys when leaving the house.
1. mustn't
2. must
3. should
7.We _____ be kind to others.
1. mustn't
2. shouldn't
3. should
8.You _____ touch the wild animals at the zoo.
1. must
2. shouldn't
3. mustn't
9. You _____ wear a coat if it’s cold.
1. must
2. shouldn’t
3. mustn't
10.You _____ eat candy before dinner.
1. must
2. should
3. shouldn't
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