Choose the best answer:

Many great opera ................. of the world can be heard in the Sydney Opera.

Choose the best answer:

She doesn’t like going ............... in the sea in summer.

Despite of many attempts to introduce a universal language, notable Esperanto and Idiom Neutral, the effort has met with very little success.

Nowhere he could find a good place to study, so he returned to his dorm.

Do you think what people have smok more and more?

The woman of whom red car is parked in front of the bank is a famous popstar.

Identify the error in each sentence: 

It was a nice day, so we decided going for a walk. 

A large percent of Canadian export business is with the United States.

Identify the error in each sentence: 

There are (A) probably around (B) 3,000 languages speaking (C) in the world(D).

Some trees such as the Banksias need to be burned periodically so that the seeds would open and germinate.

A computer networks sometimes including either selected employees of a particular business or or people who do not work together but have similar interests.

The camp on the inhospitable, mosquito-infested banks of the River Sekonyer, was set up to track the primates and learn from their habitat, diet and behavior.

Taiwan is _____ island. It is ______ largest island of ______ Republic of China. 

Some trees such as the Durian need to be burned periodically so that the seeds would open and germinate.

.........that the hope for cancer control may lie in the use of vaccine.

The test _______written. 

The wood of the rosewood tree is used to do time musical instruments.

Over the past 50 years, many serious illnesses _______under control.

Two decibel, which is a unit of relative loud, is the smallest amount of change detected by the human ear.

It is estimated that at least a million meteors have hit the Earth’s land surface, that is only 25 percentage of the planet.

Identify the error in each sentence: Not only (A) did Lan spend (B) all her money (C) but also she borrowed some (D) from me.