Identify the mistake in each sentence: 

The train he got on has an accident but he was unharmed.

Identify the mistake in each sentence: 

Because early balloons were at the mercy of shifting winds, they are not considered a practical means of transportation until the 1850s.

Identify the mistake in each sentence: 

With the ability destroy the earth with a stone no bigger than a shopping centre, asteroids pose a serious threat to our future.

 Choose the letter A, B, C or D to complete the sentences:

Mary jogs everyday ______ lose weight.

Choose correct A, B, C or D to complete the sentence. Huan advised me to take an English course. I_________ take it early

Find a mistake in the four underlined parts of each sentence and correct it.

Hundreds(A)  of houses destroyed(B) after a tornado hit  (C)the small town(D) of Texas.

Calm______and tell me what happened.

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

A forest fire ________ quickly and ________ many trees.

Choose the correct answer to complete each

He had spent…………. time writing an essay on his childhood.

 Choose the letter A, B, C or D to complete the sentences:

I will take a first-aid _________ to learn how to help people in case of emergency.

Choose the word (a, b, c, or d) that best fits each of the blank spaces. 
How can we keep our teeth (21) ______? Firstly, we ought to visit our (22) ____ twice a year. Secondly, we should brush our teeth (23) ____ a toothbrush and fluoride toothpaste at least twice a day, once after breakfast and once before we go to bed. We can also use toothpicks  to clean between our teeth after a meal. Thirdly, we (24) ______ eat food that is good (25) ______ our teeth and our body: milk, fish, brown bread, raw vegetables, fresh fruit, etc. 

(24)....

Choose the correct answer: 

Her younger sister can be (annoy) _____________ when she behaves haughtily.

Choose the best answer A, B, C or D to complete the following sentences: 

After she _________on all the dresses in the shop, she bought the most expensive one.

Identify the mistake in each sentence: 

Ultraviolet rays are invisible to humans, and ants and honeybees are sensitive to them.

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

I am looking forward to ……… you soon.

Identify the mistake in each sentence: 

He had felt that it was necessary achieving a new poetic form in order to communicate his views.

Find a mistake in the four underlined parts of each sentence and correct it.

The earthquake occurred (A) at midday(B) when many (C) people had had(D) lunch.

Choose the correct answer: 

The (nation) _____________ anthem of Viet Nam is Tien Quan Ca or Army March.

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

Matt was trying (A) to (B) calm the baby out (C) by singing (D) to her.

Identify the mistake in each sentence: 

Astronomers do not know how many galaxies there are, but it is thought that there is millions or perhaps billions.

Choose correct A, B, C or D to complete the sentence. He advised me to take an English course. I_________ take it early