I’m sorry to keep you ______ for an hour. Now let’s begin our work.

The child doesn’t need any help. He is old enough to          himself.

–The woman ____ all of her money to charities _____ the poor.--She’s great.

— This pair of shoes _______ really big for me.— Why not try another _______?

—We’ll make a trip to Hainan Island next weekend. Will you go with us?—No, I can’t _____ it at present.