Choose the best word or phrase to complete the following sentences.

Scientists and engineers have invented devices to remove ______ from industrial wastes.

Choose the underlined part (marked A, B, C or D) that needs correction.

It was not easy for us getting tickets for the concert

Choose the best word or phrase to complete the following sentences.

She worked hard ______she passed the exam.

Choose the underlined part (marked A, B, C or D) that needs correction.

They have moved nothing in your room while they sent you to the hospital

Choose the underlined part (marked A, B, C or D) that needs correction.

I had to drive to the factory to pick up my brother, who's car wouldn't start

Give the correct tense or form of the verbs in brackets.

The candidates mustn’t_________(bring) books into the examination room.

Choose the best word or phrase to complete the following sentences.

Nga: “You look nervous! ______” – Hoa: “This thunder scares me to death.”

Choose the best word or phrase to complete the following sentences.

Mary usually walks to school but today she ______ a bike.