—Are these your ____________, Jack? —Yes, they are. I like them very much.

Jack sings better than ____ in his class. Which answer is wrong?

Dad, my trousers are old. I want to buy a new ________. 

----How many foreign workers are there in your company?----There are five, three _______ and two _______.

--1 have a bad          --You should see a dentist.