He is quite famous a singer and actor _ his great performance in Taiwan and the mainland. [ ]

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

John, ______, you should eat less meat but more vegetables.

Tom used to be afraid of snakes. — ________. I thought they were scary.

You will find ______ useful to learn even a little English.