I would like to buy a house which has a(n) ____over the sea.

____ it is to skate on real ice in winter!

 A huge copy of “Zhang Zeduan’s Qingming Festival at the Riverside” in the Shanghai Expo brings a grand _________of national treasures and cultures to the Expo table.

Well,if you insist on eating so much,you’ll have to suffer the ________!

I listened to Dr．Wilson's lecture about the protection of wild animals, but I was unable to grasp its key     .