The frozen waterfall has attracted floods of tourists to ____ the natural beauty.

Zhangqiang is said ______ the experiment in the lab,but I can’t find him there.

is at its most beautiful in spring ______ allkinds of flowers are in blossom, ______ attracts people from all walks of lifeto take a spring outing

_________ social workers _________. We really enjoy doing volunteer work very much.

________， I can see that those terrible events shaped me into the person I am today.[ ]