Tenses — English (Language & Literature) STD 10 — Question

Select the correct option to complete the narration of the dialogue between a teacher and a student.
Biology Teacher : I instructed you to draw the diagram of bacteria. Why did you submit a blank sheet?
Sameer : Sir, I had drawn the diagram of bacteria, but you can't see it because it is not visible to the naked eye.
The biology teacher had instructed Sameer to draw the diagram of a bacterial cell and asked him why he had submitted a blank sheet. Sameer respectfully answered that he had drawn the diagram but
(a) he can't see it because it is not visible to the naked eye.
(b) he couldn't see it because it is not visible to the naked eye.
(c) he could see it because it is visible to the naked eye.
(d) he could not be seen it because it is not visible to the naked eye.

Fill in the blank by choosing the correct option.
_______ they have enough money, they are happy.

1. Even if
2. Unless
3. As long as

Change the following sentence into Indirect Speech:
He said to me, "Why have you come here?"

Fill in the blank by choosing the correct option to complete the sentence.
My mother__________my clothes at this time.
(a) is washing
(b) was washing
(c) has washing
(d) will be washing

Choose the correct form of the verb given in the bracket in the following sentence:
The level of intoxication __________ from subject to subject. (vary, varies)

Fill up the blank by using the correct tense form of the verbs given in bracket.
The journey ________ (be) cool. It imparted solace to the soul and mind.

In the following pair, one sentence iscorrect, but the other sentence has a subject-verb agreement error. Mark the correct sentence.

1. One of my roommates are habitual ofleaving dirty dishes under the couch.
2. One of my roommates is habitual of leaving dirty dishes under the couch.