(1)
A: What can you see in the forest?
B: I can see .
A: What can you hear in the forest?
B: I can hear .
(2)
A: What can you see at the beach?
B: I can see .
A: What can you hear at the beach?
B: I can hear .

【解析】：
这道题是英语补全对话题，考查学生对不同场景下所见所闻的英语表达，以及根据图片内容进行合理回答的能力。解题关键在于观察图片中森林和海滩场景里的元素，然后用合适的英语词汇和短语来描述所见（see）和所闻（hear）。
【答案】：
(1)
A: What can you see in the forest?
B: I can see trees, flowers and birds.
A: What can you hear in the forest?
B: I can hear birds singing.
(2)
A: What can you see at the beach?
B: I can see the sea, sand and palm - trees.
A: What can you hear at the beach?
B: I can hear the waves.

( ) (1) The flowers are colourful. You can also see beautiful butterflies.
( ) (2) I like this mountain. It's tall.
( ) (3) Look! Two small fish are swimming in the river.
( ) (4) The sun is bright and the clouds are white.
( ) (5) Little stars are shining in the dark sky.

(1)B (2)D (3)A (4)E (5)C