Question

Fill suitable Modal Auxiliary:
It's a great film. You ______ go and see it. You'll really like it.

• A. must
• B. should
• C. will
• D. can

Answer 1

The correct option is B should

The options are all modal verbs, they tell you what the mood of the sentence is, like an ability (I can do this) a suggestion (You should not eat this) and so on.
Option B: 'Should' refers to an advice or a suggestion. It agrees to the given sentence, as the person advises his friend to go and watch the film. Hence option B is correct.
Option A: 'Must' refers to a duty or an obligation. It means that you 'have to do' something. The sentence, 'going for the movie' does not sound like a duty to fulfill.
Hence option A is incorrect.
Option C: 'Will' in this sense means a threat or a command. It does not agree with the given sentence. Hence C is incorrect.
Option D: 'Can' refers to permission, but the given sentence does not require a permission. Hence D is incorrect.