Choose the correct answer to complete the sentence. "I have advised you on _____ to cut down your energy use"

.................. Mekong River is .............longest river in.................... Vietnam. 

Choose the correct answer to complete the sentence. "Humans now have to suffer the effects of global warming due to having_____ the environment irresponsibly"

John has bought a dictionary, _    ?

Consequently the kit fox is an endangered species, wildlife experts in the California desert are using carious methods to protect it.

Government money appropriated for art in the 1930’s made possible hundreds of murals and statues still admiration in small towns all over the Unites States.

The columnist feels sure that who wins the election will have the support of both parties

The first vaccine ever developed was used to combat and fight a smallpox, a disease resulting from infection by a virus.

Choose the correct answer to complete the sentence. "Twenty per cent of all the birds in the world ______ in the rainforest"

Since the computer was invented, the work of accountants have been simplified.

S. Eliot received wide recognition after publishes The Waste Land, which fused poetic traditions with elements of modern music and language.

He warned me to make an eye on my luggage as that place was full of thieves

........ Statue of Liberty was a gift of friendship from France to ............ United States.

..................United States is ...................world's biggest consumer of energy. 

Nam was playing football, _    ?

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If she bought that house now, she ran out of money. 

There is nothing more annoying than you are interrupted when you are speaking

What did you eat for........... breakfast this morning. 

Medical research indicates that large amounts of Histamines can responsible for cold, high fever, and other respiratory reactions.

Hardly he had got downstairs when the phone stopped ringing yesterday afternoon.

Commercial letters of credit are often used to financing expor trade, but they can have other uses.