Each of the following sentences has a mistake. Underline and correct it 

I teach English here since I graduated from university.

I am preparing for the picnic_______my friends tomorrow

Choose the best answer: 

Nam is talking on the phone. He _________on the phone.

Complete the following sentences by choosing the correct answer among four options

I ______ the hot weather in the south.

Choose the answer A, B, C, or D which best fits the space in each of the following sentences.

 The judge ________ the pedestrian for the accident.

Choose the correct answer.

The United States _________ between Canada and Mexico.

Choose the best answer to complete these following sentences.

 The Chinese eat special ____ for the moon festival. They are sweet and are made with a lot of eggs.

Choose the best answer to each question. 

Although Tom is intelligent, _______.

Choose the best answer: 
The United Kingdom............... of Great Britain and Northern Ireland.

Choose the most suitable word or group words by circling the letter A, B, C, or D.

The Imperial Citadel of Thang Long is a ...................that consists of royal palaces and monuments.

Choose the best answer among A, B, C, or D.

The old building _____ was behind the local church fell down.

Choose the best answer among A, B, C, or D.

The man ______ was in charge of the management didn't seem friendly to us at all.

Choose the answer A, B, C, or D which best fits the space in each of the following sentences.

________ you, I’d think twice about that decision. I could be a bad move.

Choose the best answer among A, B, C, or D to complete each sentence.

The Mississippi is .................. The Thames.

Choose the correct prepositions.

When they failed to pay their bill, the authorities decided to cut ................ the gas supply to the flat.

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

Five thousand pounds were stolen from the bank.

Choose the correct word.  
I didn't leave the meeting room____ I felt tired.

Choose the best answer among A, B, C, or D to complete each sentence: 

 ____________ his physical handicap, he has become a successful businessman.

Do you know the man_______you met yesterday?

Mr. Lam suggested that we_______ tonight.

Choose the best answer among A, B, C, or D.

I couldn't remember the time ______ there was no internet.