Explanation

Passage

Last night I was reading a book about the scientific inventions and discoveries made by the scientists in the last one hundred years. These inventions include radio, TV, telephone, electricity, jet engines, rockets, aeroplanes, tanks, atom bomb, computer and the conkest of the moon. I wondered what the world will look like before one hundred years. With these thoughts in mind, I went to sleep and found myself in the world of dreams.

I enters a new world. It was full of shining stars and planets. Their was also many spaceships. They were travelling from one planet for another, and from star to star. They had artificial of cylinders oxygen. I happened to visit Jupiter, the Mars, the Saturn, Uranus and the Pluto. Many human beings were settled on these planets. They had been living on those planets with the help of many electronic machines.

1. These inventions include radio, TV, telephone, electricity, jet engines, rockets, aeroplanes, tanks, atom bomb, computer and the _____ of the moon.

Conquest

2. I wondered what the world will look like _____ one hundred years.

After

3. I _____ a new world.

Entered

4. _____ also many spaceships.

There were

5. They were traveling from one planet _____ another, and from star to star.

To

6. The correct form of the sentence: They had artificial of cylinders oxygen is _____?

They had cylinders of artificial oxygen.

Explanation

Explanation

To form a question in the past tense with "was," place the verb "was" before the subject.

The sentence is a yes/no question structure: Was + subject + complement?

Explanation

The correct preposition used with "expertise" is "in" when referring to a subject or field.

So, "He has expertise in the famous world language" is grammatically correct.

Explanation

"Tweak" means to lightly adjust or provoke — here, it fits the idea of stirring consciences and causing controversy.

Editorial cartoonists aim to provoke thought and challenge opinions, making "tweak" the most suitable word.

Explanation

"Exaggeration" means making something seem larger or more important than it is.

"Expansion" relates to enlarging or stretching out.

Exaggeration means توسیع

Expansion means توسیع

Explanation

The comma connects the dependent clause "Because his father was away" to the main clause.

It correctly separates the reason from the result in the sentence.

Explanation

In negative past tense sentences with "did not," the main verb stays in its base form (sing).

Using "did not" already shows past tense, so the verb does not change.

Explanation

"Smartest" is the superlative form.

It is used to show the highest degree among three or more things.

"Smart" is the positive form.

"Smarter" is the comparative form.

Explanation

"Usually" describes how often he sleeps — it modifies the verb "sleeps", so it is an adverb of frequency.

"Sleeps" is a verb, and "day" is a noun.