There is ______ American boy in our class and ______ boy can speak good Chinese .

Your English is good.—Thank you. I _______ it for three years.

Mary, can you help me?— Wait a moment. I dinner now.

You have tried on several shirts. —Sorry to take up too much of your time. But __________ of them look good on me.

We wear the same shoes today, but she wears a different ______.