根据句意及首字母提示，完成单词。

1. He often climbs m______ with his friends on Saturday morning.

2. —Which s_______ is the hottest in the year?

    —It's summer.

3. The yellow l_______ fall from the trees in fall.

4. Fruit and crops are ripe. The farmers are busy h______ in fall.

5. Sometimes it rains q______ heavily.