In order no money would be wasted, we had to account for every penny we spent.

We are all very sorry that we have to wait for this agreement to come into  .............

Identify the one underlined word A, B, C or D that must be changed for the sentence to be correct: 

At present, solar cells are too expensive and inefficient to use in the commercial generation of electricity

The crew of the tanker were fortunate_________ just minute before it sank in heavy seas.

The very first night I was in Australia, I couldn’t have slept until early in the morning.

Choose the best answer:

They decided not ........... to the cinema.

It is necessary that the director will sign all the copies, not just the top one.

Choose the best answer:

Bill couldn’t stand ............. anyone .............. round all time.

Louis Braille designed a form of communication enabling people to convey and preserve their thoughts to incorporate a series of dots which were read (D) by the finger tips.

He did his work ____________ because he did not like the culture of this company.

I know that someone who has great natural shape but is .................. won't beat someone   with a lesser shape who is in condition.

Identify the error in each sentence: I’ve just spoken to Sally, that send you her love

Marta being chosen as the most outstanding student of her campus made her parents very happy.

Healthy people have always desired and wear precious stones because their beauty is lasting.

Choose the best answer:

He suggested ........... a meeting and ........... the workers ........... the matter themselves.

I am not sure how old he is but he must be ______ for 70.

When the Panic of 1857, some us citizens who had been rich or comfortable became poor while a few others, capitalizing on economic shifts, became richer.

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

It was her who suggested that he should go to New York in order to get  a direct flight.

I   ........... up a friendship with John while we were on a business trip together.

The fossil remains of much extinct mammals have been found in the tarpits at Rancho La Brea in Los Angeles.