Choose one underlined word or phrase that must be changed in order for the sentence to be correct. 

We’d better to review this lesson carefully because we will have some questions about it.

 I invited her to join our trip to Trang An, but she ______ down my invitation.

Choose the best answer to complete these following sentences
It …………that some foreigners had collected rubbish on Cat Ba Beach.

There is a mistake in the four underlined parts of each sentence. Find the mistakes (A, B, C, or D).

The little boy’s (A) mother bought him (B) a five-speeds-racing (C) bicycle for (D) his birthday.

Chọn đáp án đúng nhất để hoàn thành các câu sau.

The conference had to be put……………until a late date.

Choose the correct answer. "The waves travel  __________ a great speed across an ocean with little energy loss."

Supply the correct form of the verbs in the bracket.

Some animals (not eat) ______________________ in the winter.

Give the correct form of the verbs to complete the passage.

In some areas, water has to be boiled to ________ it. (pure) 

Choose the correct answer to complete each of the following sentences. 

If he________ more slowly, he would have been able to stop.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Skis___________be made of wood.

Choose the correct answer to complete each of the following sentences.

It’s recommended that we become more concerned ___________ the environment around us.

Choose the right option for each gap in the following sentences.

- “Could I have rice instead of chips?”

-”_______”.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

.- Shop keeper: “______ size do you want?”

– Customer: “Medium”.

Mark the letter A, B, C, or D to indicate the correct answer to each question.

We could see that the Alps were________________________ in snow.

There is a mistake in the four underlined parts of each sentence. Find the mistakes (A, B, C, or D).

Stevens, along with (A) her cousins (B) from New Mexico, are (C) planning to attend (D) the festivities.

Choose the correct answer to complete each of the following sentences. 

Our form teacher couldn’t come to the party, ___ was a pity.

Choose the correct answer to complete each of the following sentences. 

The taxi drew_____ at the gate promptly at six o’clock.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

In developing countries, many people use wood for cooking and heat,________has a bad influence on the environment.

Choose the correct answer to complete each of the following sentences. 

______ the fifth largest among the nine planets that make up our solar system.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Farming__________50% of our population.

Mark the letter A, B, C, or D to indicate the correct answer to each question.

They listened_______ while the examiner gave them the directions.