Choose the best answer.

They_______ time and money doing such a thing.

Choose the best answer.

The teacher always advises us to study harder on the second term.

Choose the best answer.

Our children _______to school by bus every morning.

Choose the best answer.

You didn’t show me the special cameras. 

Cách 1: This special camera_________ . 

Cách 2: I _______this special camera.

Choose the best answer.

“Those eggs of different colors are very artistic.” “Yes, they_______ in Russia”

Choose the best answer.

I hate_______ personal questions by nearly acquainted friends.

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Someone will pay you in ten days.

Choose the best answer.

These students _______so much that they feel very tired and bored.

Choose the best answer.

The postman will deliver newspaper next week.

=>Newspaper _______ by thepostman next week.

Choose the best answer.

The waiter brings me this dish. 

Cách 1: This dish ________ by the waiter. 

Cách 2: I _________ by the waiter.

Choose the best answer.

They chose him as the best actor of the year.

Choose the best answer.

Our friends send these postcards to us. 

Cách 1: These postcards _____ by ourfriends. 

Cách 2: We _______by our friends.

Choose the best answer.

A new museum _____ in this land before we came to live in Vietnam in 1999.

Choose the best answer.

The cat has broken many bowls and dishes.

Choose the best answer.

Beethoven’s Fifth Symphony _______next weekend.

Find one error in each of the following sentences (A, B, C or D)

New sources of energyhave been lookingfor as the numberof fossil fuelscontinuesto decrease.