Scientists (A) must have to discover an (B) alternative source of energy (C) before oil (D) runs out.

I. Choose the word that has the underlined part pronounced differently from the others

I am sure I locked the door. I clearly remember …………………. it.

V. Decide the underlined part A, B, C, or D that is not correct in standard English.

Because (A) his argument was so (B) confused, (C) few people (D) understood it.

The failure of the team caused us great disappointment.

- We were……………………………………………………………

Vietnamese students have……………………… vacations than American students. (few)

It takes me two hours ………………. that letter.

IV. Finish the second sentence in each pair, so that it has similar meaning to the first one, using the beginning given.

Why don’t you start running and see if that helps you to lose weight?

- You should………………………………………

It is very noisy in the city but we enjoy living there.

- Although………………………………

They have chosen John for the school’s football team.

- John has…………………………………………

The guide speaks too quickly for me to understand.

- The guide doesn’t…………………………………………

(A) To enjoy an opera (B) fully, the listener (C) should be familiar with the story, particularly if the opera (D) is singing in a foreign language.

I. Choose the word that has the underlined part pronounced differently from the others

Choose the word that has the underlined part pronounced differently from the others

III. Give the correct comparison form of adjectives.

Nam is………………………………than his sister. (tall)

He drinks…………………………………..wine than Mr. Hai. (little)