—Where is your uncle?—He _____ to South Africa on business. He has ______ there twice.
—What time is your English class today? —It’s _____ nine thirty-five.
Mr. Wang is _______ late. He’s always the first.
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?