1 . We believe all countries can work together ________ a community with a shared future for mankind.

A．build

B．builds

C．built

D．to build

2 . Hold your ________(breathe) for a count of five, then slowly breathe out. (所给词的适当形式填空)

3 . Using only a rope, you can develop your footwork and b______.
只用一根绳子，你就可以锻炼你的脚力和平衡。

4 . In many states of America, a neighbor may ______ you with playing your radio too loudly.

A．charge

B．blame

C．punish

D．scold