This problem may lead to more serious ones if _______ unsolved.

The English language _______ the rules and vocabulary each group of people brought to Britain with them.

He is wearing sunglasses to __________ his eyes from the strong sunlight.

She took her son, ran out of the house, _______ him in the car and drove quickly to the nearest doctor’s office.

Mother told Jim to ______ the milk until it boiled and then turn off the gas.

Would you please       the paper for me and see if there are any obvious mistakes?

The performance _______ nearly three hours, but few people left the theatre early.

I _____ it as a basic principle of the company that suppliers of raw materials should be given a fair price for their products.

– Can those ____ at the back of the classroom hear me?

-----Are you happy with your new computer?
----- No, it is _______ me a lot of trouble.