—What does your cousin look like?—He ________ very thin and he ________ short hair.
The population problem may be ______ one of the world today.
Don’t ______ so often. It’s bad for your health.
—Mum, when can I watch TV? —As soon as your homework ______.
—I hear Mr. Zhang has gone to Beijing for a meeting. —Really? Do you know when he ______?
—I want a ticket to Shanghai this afternoon, please. —OK. Will you please ______ me your ID card?