1. 选用方框内合适的短语并用其正确形式填空（每个短语限用一次）

pass down,   wash away,   feed on,   connect with,   plenty of,  be covered in

1. （1） The insects are known to apples, peaches, grapes, and hardwoods.
3. （2） There are many traditional customs which should be to young generations.
5. （3） The plants will have a chance to grow strong roots, unless heavy rain the soil.
7. （4） The city is set to see rain over the coming days but the sun is expected to return next week.
9. （5） The discovery by the experts that the stream doesn't the sea has attracted public interest.
11. （6） The cave ice most of the year but opens for visitors for a short period during summer.