Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

Tom has a bike, __________ he always walks to work.

The dentist gave me a check-up and then telling me I needed two teeth.

Both Mr. and Mrs. Smith are explaining the children the rules of the game .

You are 200 kilometers far from me. I would visit you more often if you wouldn’t live so far away

Ancient people used pot for cooking, storing food, and carrying things from place to place.

If dinosaurs would have continued roaming the earth, man would have evolved quite differently.

A large percent  of Canadian export business is with the United States.

Compact discs, which appeared on the market in the early 1980s, produce sound of better quality than those of Standard phonograph records

A calorie is the quantity of heat required to rise one gallon of water one degree centigrade at one atmospheric pressure

Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potassium nitrate, charcoal, and sulfur.

It was her who suggested that he should go to New York in order to get a direct flight.

Choose the best answer: 
Jane said that she _________ come and look after the children the following day.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

You’d better _____ a commitment to being a volunteer on a regular basis.

With an annual income of fifty thousand dollars a year, he can afford to give a luxurious life.

Both a term paper and a final exam is often required for a college class.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Poor students cannot ______ an abundance of presents on their birthday.

Mark the letter A, B, C or D to indicate the underlined part that needs correcting in each of the following questions.

Tom is the kind of person to who one can talk about anything.

The most visible remind of the dose relationship between the United States and France is the famous Statue of Liberty, which stands in New York Harbor.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Every time I fly to the United States, I get really bad _____.

The ancient Romans used vessels equipped with sails and banks of oars to transporting their armies

To receive a degree from an American university, one must take many courses beside those in one’s major field.