Identify the error in each sentence: I found my new contact lenses strangely at first, but I got used to them in the end

Most of the air pollution results  ...............   the burning of fossil fuels, motor vehicles, factories, aircraft and rockets.

Karen is so small that she often has to resort __________

Choose the correct answer to complete each following sentence by circling A, B, C or D. 

Passengers should not leave their seats________a flight attendant gives them permission to do so.

It is predicted that over the next few decades many species will die   ......... as once fertile areas turn to desert,

I'd rather you _    in the class.

A water polo team _____________ seven players, six swimmers and a goalie.

If you need some more information, _    me.

The water heater is__________ again, so I think that we should call a plumber to get it fixed properly. 

All of our students ________ an identification card in order to check books out of the library.

Those flowers are  ................   everywhere is a sign of spring.

Identify the error in each sentence: Oceans, that cover about 70% of the Earth’s surface, contain approximately 97% of the Earth’s water supply

Anyone _    to a foreign country needs to prepare many things.

The party leader travelled the length and ................... of the country in an attempt to spread his message.

Choose the correct answer to complete each following sentence by circling A, B, C or D. 

__________from customers is valuable in determining where we need to improve.

People who take on a second job inevitably ................... themselves to greater stress.

Choose the correct answer to complete each following sentence by circling A, B, C or D. 

Your current online banking session_________ , so please log on to your account again.

Our relatives__________meet us at the station this evening.

........... he only started learning English last year, Henry can now speak it like a native.

It's vital that the United States _    on improving its public education system.

If they _    me to their wedding party, I wouldn’t refuse.