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根據(jù)句意及首字母提示補全單詞

A thousand kilograms of r_____ paper saves seventeen trees.

根據(jù)句意及首字母提示補全單詞

The tap is l_____. You can't use the water that leaks out.

根據(jù)句意及首字母提示補全單詞

They give p_____ to the classes that make the least garbage.

根據(jù)句意及首字母提示補全單詞

Environment clubs e_____ students to bring their lunches in reusable bags and dishes.

根據(jù)句意及首字母提示補全單詞

How much do you throw a_____ after lunch?

根據(jù)句意及首字母提示補全單詞

Here a_____ some things students in North America do.

根據(jù)句意及首字母提示補全單詞

People work together to make our e_____ clean.

根據(jù)句意及首字母提示補全單詞

In an environment club, people do things t_____.

根據(jù)句意及首字母提示補全單詞

In North America, many students help their schools m_____ less pollution.

根據(jù)句意及首字母提示補全單詞

The Rocky Mountains are the biggest m______ in North America.