_______ can a tiger weigh, do you know? — Yes, I know that a big one can weigh over 300 kilos.

China has _____ area of about 9,600,000 square kilometers, including Diaoyu Island(钓鱼岛) .

Where’s her second son? I haven’t seen him for a long time. —He _______ Maine looking for a place to work.

Dinner is ready. Help yourself! —Wow! It ________ delicious. Could you please tell me how to cook it?

No one ________ paper, pens and pencils