Grammar - English Aptitude MCQ Questions and Answers

'were' will be used because there is 'yesterday' in the sentence which can be interpreted as the past.

'empty out' means to remove all the contents of something.
For example: I emptied out the trash barrel.

When deciding whether to use is or are, look at whether the noun is plural or singular. If the noun is singular, use is. If it is plural or there is more than one noun, use are.

If the verb is 'normal', the interrogative is formed with the auxiliary do/does/did. As always after an auxiliary verb, the verb is added in the infinitive without to.
Example: Do you like that album?
Did she see the movie?
We use do when the subject is I, you, we or they. We use does with third person singular pronouns i.e. when the subject is he, she or it.

'were' is used for both the third person plural past tense (they and we) and the second person past tense (you). 'South Africa' is third person plural.

The word 'whose' is the possessive form of the pronoun who. It is used in questions to ask who owns something, has something, etc. Who becomes whose just like he and she becomes his and her.

None of the options is correct. The correct answer will be 'have' as it is used with plural nouns.

You use 'if' in conditional sentences to introduce the circumstances in which an event or situation might happen, might be happening, or might have happened.
Example: She gets very upset if I exclude her.
'If' is generally followed by present form of the sentence.

'aware of' means having knowledge or perception of a situation or fact. Hence, the correct answer is option B.

'can' is used with present form of the verb. Hence, ‘can’ is the correct answer.