He fishes in the river near our house为什么用“in”?

He fishes in the river near our house为什么用“in”? We often go ____ in the river near our house 1.in summer he often s() in the river near his house. Are there any fishes in the river? （______)鱼类live in the river.用Fishes还是Fish还是The fishes? I like __ in the small river near our home. some ( )are swimming in the river是fish还是fishes 这几道题怎么写the boy often goes s____ in the river near his house My aunt lives in an A-shaped house near the river.It is a 20 He works in a restaurant near our home 中的a 为什么不用the 翻译：in summer near the river The river near our village is（ ）.It is dangerous to swim in