His poor handling of the business ______ on negligence.

Identify the error in each sentence: 

It is most important that he speaks to the Dean before leaving for his vacation.

The Mediterranean, a large sea surrounded by land, is a mile depth on the average and more than 2.000 miles long.

I can't stand Mr. Brian. He's always blowing his own____________- telling everyone how good he is at everything.

If you run ___Mary, give her my best wishes.

When she retires in April 1989, tennis champion Christine Evert was the most famous woman athlete in the United States.

Concorde can fly across the Atlantic without re-fueling and carrying 15 tons of freight.

The 6-year-old boy resembles to his mother somewhat more than his older brother does.

Choose the best answer:

............................ play badminton?

A lot of businessmen and businesswomen agree that _____ knowledge of English is a must in ______ international trade today.

When actively hunting, a dolphin sends out transmitting about five signals every second.

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

Nancy said that she went to the supermarket before coming home.

They turned ________ my suggestion, which made me upset.

The city was under ____for six months before it finally fell.

Long prized for its medicine value, ginseng these days has become more common of energy-boosting drinks particularly for low- performance athletes.

The two kilograms of drugs which the police have seized is only the tip of the iceberg. They fear that far more are being smuggled and distributed.

After searched for evidence in the house, the police concluded that the thief must have come in through the window and stole the property while the family was asleep.

Would you be........to hold the door open?

Choose the best answer:

I tried ................ him .............. with me.

The invitation has been accepted by _____ dancer and _____ singer.