Rewrite the sentences using must, mustn't, should or shouldn't. 1 cars are obliged to stop when the traffic lights are red​

1 cars must stop when the trafffic lights are red and mustn't go when it is green

Explanation:

cars must stop when the traffic lights are red

cars mustn't proceed when the traffic lights are red

cars should stop when the traffic lights are red

cars shouldn't proceed when the traffic lights are red

d.) then bernice winced as marjorie tossed her own hair over her shoulders and began to twist it slowly into two long blond braids until in her cream-colored negligée she looked like a delicate painting of some saxon princess. fascinated, bernice watched the braids grow. heavy and luxurious they were, moving under the supple fingers like restive snakes—and to bernice remained this relic and the curling iron and a to-morrow full of eyes.

the answer should be d) he was one of those young thousands who greeted the war with a certain amount of relief, welcoming the liberation from webs of tangled emotion" since it is the best option because it shows his desire to free himself. 

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