Premier Wen Jiabao said that if we worked hard and ________ optimistic, we were ________ win thewar against the swine flu.[ ]

This kind of cup _______ of paper.

In our country the cold weather in the north_____ sharply _____the hot weather in the south. [ ]

The young lady prefers dressing up for a party to ____ by others.

Wow，Beijing was selected as the host city for the 2022 Winter Olympic Games!— ！