Identify the mistake in each sentence and correct it.

He gave me some very valuable advices on buying a new house.

Choose A, B, C or D to complete the sentence. Lan used to visit you quite often, ________?

Identify the mistake in each sentence: 

A laser is the only device which aim coherent light at an object in a safe and reliable way

Choose the best answer: 

 I have just bought __________________ from a book shop near here.

Identify the mistake in each sentence and correct it. 

The harder he tried the worst he danced before the large audience.

Choose the correct answer A, B, C or D. "Many children in her village are still_____. They can't study."

Identify the mistake in each sentence and correct it. 

Keep the cheese freshly by wrapping each one individually.

Choose the words or phrases that are not correct in Standard English.

Late at (A) Christmas Eve, Santa comes (B) down the chimney and (C) puts (D) presents under the tree.

Choose the correct answer A, B, C or D. "Many children in our village are still_____. They can't read or write."

Choose the correct answer A, B, C or D into complete the following sentences. "My mother often told __________ to me when I was young."

Choose A, B, C or D to complete the sentence. Nam often _______ stamp. Maybe he is a stamp collector

Choose the correct answer A, B, C or D into complete the following sentences. " At 7 p.m. yesterday, the lion __________ its meal in the zoo"

Choose the underlined part that needs correction.

There used to be a movie theater here but it close a long time ago.

Mozart was born in Salzburg ______ 1756.

Choose A, B, C or D to complete the sentence. My sister used to visit you quite often, ________?

Choose the best answer.

This palace was built _____ the seventeenth century.

Choose the best answer.

They had a nice party ______ June the 12th.

Choose the best answer to complete the following sentences. 

 I telephoned the station to make ……….. of the time of the train.

Choose the correct answer. "Vietnamese are very proud _________the lotus symbol."

One day, two men (22) _____ in the woods. Suddenly, they saw a huge black bear. One man immediately (23) _____ down, took off his backpack, and took out his sneakers. He began taking off his hiking boots. The other man looked (24) _____ him and said, “Are you crazy? Do you think you can run (25) ______ than that bear?” “No,” replied the first man. “But I can run faster than (26)_____!”

(25).........

Choose the best answer:
Over the past 30 years, the average robot price _____ by half in real terms, and even further relative to labor costs.