Identify the one underlined word or phrase that must be changed in order for the sentence to be correct.

I wanted to complain about my boss but I didn't ........

Despite recent attempts to prove ..............    did indeed reach the North Pole in 1909, the evidence still remains questionable.

It's high time the children _    their lesson. It’s 8 p.m now.

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

Most banks now offer clients the option of receiving their statements electronically or -------mail.

They are …. - qualified teachers. 

Never __________ I experienced such a storm since I was a child.

What_________! 

English teaching is considered a good example of a volunteer job which often turns ______ a career.

 These school-leavers are looking forward  ................   on campus.

Is this the woman _    has been stolen?

I ______ for my math textbook all day, but I______ it yet.

They enjoy the …. atmosphere here.

We don't want __________ any mistakes in his composition.

It's taking me longer to get _____ the operation than I thought.

Most of my friends admire Milan as she can play   .............  piano so beautifully.

Defensive players are not allowed to interfere ________ the opponent's movement

If a defender interferes with a free throw, holds or sinks an attacker who is not in possession, he is ____________ from the game for twenty seconds.

It took Martha three years to __________ "Clarissa", or, "The History of a Young Lady" by Samuel Richardson, as the book contains 1,536 pages. 

These facts may be familiar  ..........   you.

County legislators called for an update of the safety     for the DRCY Power Plant.

Identify the error in each sentence: 

The purpose of the United Nations, broad speaking, is to maintain peace and security and to encourage respect for human rights.