—What’s your favorite subject?— _____ Because it’s easy and interesting.A.Toys. B.Math. C.T-shirt.
______ careful you are, ______mistakes you will make.
—Do you know if he ____ to play football with us? —I think he will come if he _____ free tomorrow.
This place is worth _______.
Not only his parents but also he ____ watching football games on TV.
I don’t know ______ to stay or go.