The authorities are worried about the increase of drum abuse .

Your brother used to work as an astronaut, ............................? 

Mosquitoes will accepts the malria parasite only one stage of the parasite’s complex life cycle.

Choose the mistake in the following sentences: Some of the people they were invited to the party cannot come.

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

Choose the correct answer to each of the following questions. "Tourists can do and see a lot in Ha Long Bay at a ______ price."

Stars in our universe various in temperature, colour, bright, size, and mass.

The graphics abilities of a computer depend on the speed of its processor and the size of its RAM.

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

The more important theorem of all in plane geometry is the Pythagor Theorem.

Choose the correct answer to complete the sentence. "Not only disabled people _____ also non-disabled ones can contribute to our community by doing voluntary work."

Because the diamond is the hardest naturally occurring substance, it is used in industry for to cut and boring other hardmaterials.

When you passed the town clock, did you notice what time was it?

To help policy makers and another, the government spends as much as $1.4 million a yearcollecting statistics

 If the sea biodiversity were not maintained, marine life  .........  at stake.

It becoming extremely difficult to grow enough to feed the world’s rapidly increased population

It is believed that the frequent you exercise , the greater physical endurance you will have.

I need not offer any explanation regarding  incident – my behavior speaks itself.

The British national anthem, calling “God Save the Queen”, was a traditional song the 18th century.

My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway.

Choose the correct answer to complete the sentence. " They believe that some of ____ happiest people in the world are those who help to bring happiness to others"