Choose the correct answer to complete the sentence. "It's possible that by the end of the 21st century, the rainforest will have _______ disappeared"

There are many ways to preserve fruit, for example freezing, canning and to dry

Nuclear energy, despite its early promise as a source of electrical power, is still insignificant in compared with older and safer energy sources.

The news today are always full of stories about people who are unhappy.

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

Choose the correct answer to complete the sentence. "Most people admit that they _____ to global warming"

If we hadn’t got lost, we ____arrived much earlier. 

You'll be at home tonight, _    ?

If it is kept dry, a seed can still sprout up to forty years after their formation

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

Rita plays .......... violin and her sister plays .......... guitar. 

Oil spills are having a devastating effect on coral reefs in the ocean.

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

Choose the correct answer to complete the sentence. "These companies were accused _____ having released a large amount of carbon dioxide into the atmosphere."

He has been hoped for a raise for the last four months, but his boss is reluctant to give him one.

Forgetting something usually mean an inability to retrieve the material that is still stored somewhere in the memory.

He usually travels to..................Philadelphia by.................. train. 

If you ____ Mary by chance, please give her my phone number. 

When he arrived at the furniture shop, they had been sold the table he wanted.

The main advertising media includes direct mails, radio, TVs, magazines, and newspaper

Before the formation of labor unions, individual workers had almost not voice in determining their wages, hours, or working conditions.