Multiple choice

Directions: Select the best option and complete the sentence.

You _________ to have good manners.

  1. <font style="">must</font>

  2. ought

  3. used

  4. should
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Though 'should' and 'ought to' both can be used, but the word 'to' in the sentence leaves no scope for 'should'. Both of them are used to express a strong obligation politely.

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