It’s difficult _____ us to remember new words.
The house is big enough for us ___________.
Look, these are ___________ bicycles. They are cool.
There are many shops on _____side of the road, and some restaurants on _____ side.
--Excuse me. ____________? --Turn right, and you’ll see it.Which of the following is NOT right?
--Must I finish my homework now, Mum? --No, you ________.