Choose the mistake in the following sentences: 

 It was my teacher that he helped me a lot in my study as well as my life. 

Louis Braille designed a form of communication enabling people to convey and preserve their thoughts to incorporate a series o which were read by the finger

Some snakes have hollo teeth are called fang that they use to poison their victims

You ______ to prison if you did that. 

This morning I bought  ............ book and a pencil. The pen is in my bag, but I don’t know where ............. book is.

Duty of police is the maintains of the law and order .

The knee is more likely to be damage thanther joints because it subject to tremendous forces during vigorous activity.

The environment can be defined as all living and nonlived items in an area at a specify time.

The bath overflowed and the water drop through into  living room.

Choose the correct answer. "_________ my granfather is old, he still goes jogging."

If the water le has raised a little higher, dam would probably have broken

The teacher decided to fail the student with the gro of his poor performance in tests and too small progress

They took the coffin with the captain’s body and carrying it  to the cemet to bury him

Anyone interested in the use of computers can learn much if you have access to personal computer.

Water, ice, and snow play a role affecting Earth’s rotation

The brothers Grimm intended their fairy tales to be studied by scholars German literature and not to enjoy simple stories by children

Floods, earth and other natural disaster happen all over the world, causing death and material damage

You have to use a magnifying glass so that see some of the minute details.

There is nothing more annoying than you are interrup when you are speaking.

From the airpl, passengers are able to clearly see the outline of whole island.

It took the mayor over an hour explanation to the other members o the board why he had missed (last meeting.