He has made a lot of mistakes in his writing because his carelessness

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

Electric wires carry current for lighting and outlets designing for household appliances.

As our new furniture will deliver on Monday morning, I’ll have to stay at home to check that it was not damaged during transmit.

Your passport __________. It is invalid without your signature.

Some birds can travel at speeds approaching one hundred miles an hour , and a few land animals can so

Despite of rain or snow, there are always more than fifty thousand fans at the OSU football games.

Where is the picture _________ was on the wall?

Houses in Hoi An were made _________ wood and their pillars were carved with ornamental designs.

If it will rain this afternoon, we will have to cancel our picnic.

Some of the land in that region is so wet and hot and covered with jungle that a few people live there

The local economy which once used to be in crisis now depends to a great extent on menial jobs provided by the recent development of ecotourism.

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

The house _________ since last week.          

There is a rumour that the army is about taking power, though this has been denied by government sources.

Choose the best answer:
If you come to the theatre late, you have to wait until the ______ to get in.

Because the tachinid fly is a parasite of harmful insects, much species have been imported into the United States to combat insect pests.

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

__________ a headache, he enjoyed the film.

All of the mammals, dolphins are undoubtedly among the friendly to human

Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

Uncle Ho (die) ____________ in 1969.

A thunder (A) usually follows lightning by five seconds (B) for every mile (C) between (D) the flash and the observer.

Nobody bothered with telling me that the school had decided to have a special holiday on Friday.