CSS MCQs

'Should have' expresses criticism or regret about a past action not performed.
The speaker believes earlier information was the proper action.

This is an inverted third conditional referring to an unreal past situation.
The result clause correctly uses 'would have' plus past participle.

'May have' expresses a possible explanation for a past event.
The evidence is suggestive but not conclusive.

'Honest' begins with a vowel sound because the h is silent.
The article 'an' is used before a vowel sound.

'Must be' expresses a strong logical deduction based on evidence.
The long working period makes exhaustion highly likely.

'Must not' expresses prohibition.
'Need not' would mean the action is unnecessary, not forbidden.

'Need not' means there is no necessity to bring food.
It does not imply that bringing food is forbidden.

'Shall we' is commonly used to make a suggestion or seek agreement.
The speaker is proposing that the presentation begin.

'Should' gives advice or recommends a sensible action.
Regular practice is presented as the proper course.

'Cannot be' expresses a strong negative deduction.
The recent sighting at the office makes his being at home impossible.

A habitual action is expressed with the simple present tense.
The third-person singular subject requires 'goes.'

The action is happening at the moment of speaking.
The present continuous tense is therefore required.