—Sam,come downstairs,please.I need your help.—Sorry,Mum.I________on the phone.
Peter has many brothers, but he _________ have any sisters.
—Would you like some ________ to eat?—Just a little, please.
Do you eat _____ egg for breakfast every day?
—I haven’t seen the interesting movie Let the Bullet(子弹)Fly.— _________ .
When you don’t know a word, you can _________ in the dictionary.