I think he will come here, _    ?

Choose the correct answer to complete the sentence. "In the polluted environment, infectious diseases can be passed easily _____ one person to another"

Genetic engineering is helping researchers unravel the mysteries of previously incurable diseases so that they can get to its root causes and find cures

Deciduous trees are ones that lose its leaves in the autumn and grow new ones in the spring.

Choose the best option:

The problems of pollution call for a prompt ___ from the government.

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

In some species of fish, such the three-spined stickleback, the male, not the female, performs the task of caring for the young.

In the 1970’s consumer activities succeeded in promoting laws that set safety standards for automobiles, children’s clothing, and a widely range of household products.

There is the very real possibility that these animals could panic, frighten and would break away, should there be a sudden loud noise

Nga speaks English very well, _    ?

The waste from the chemical factory is extremely .......

Every student  must make up their own study list of the classes he is going to take at the beginning of the quarter 

It’s not worth to spend money on things like cheap clothes

All the schools throughout of the country underwent the educational reform

Bats use echoes of their own high – frequency sounds to detect food and avoiding obstacles.

Have you learnt the reason why does the water of the ocean becomes blue?

However types of raw materials are used in making paper, the process is essentially the same.

Some of plants in this store require very little care, but this one needs much more sunlight than those 

 “I’m too tired to study.” “If you hadn’t watched that late movie last night, you _____ so tired now.” 

Choose the correct answer to complete the sentence. "We need to cut down on the ________ of carbon dioxide into the atmosphere."

Foreign students who are doing a decision about which school to attend may not know exactly where the choice are located.