are there____boats on the river?yes,there are___.A some,some B some,any C any,some D any,anycan you see any birds ____the tree?no,there are only lots red apples____the tree.A in,on B on,in C on,on D in,in

are there____boats on the river?yes,there are___.A some,some B some,any C any,some D any,anycan you see any birds ____the tree?no,there are only lots red apples____the tree.A in,on B on,in C on,on D in,in
are there____boats on the river?yes,there are___.A some,some B some,any C any,some D any,any
can you see any birds ____the tree?no,there are only lots red apples____the tree.A in,on B on,in C on,on D in,in

are there____boats on the river?yes,there are___.A some,some B some,any C any,some D any,anycan you see any birds ____the tree?no,there are only lots red apples____the tree.A in,on B on,in C on,on D in,in
Are there_ any___boats on the river?yes,there are_ some__.
疑问句中 用any 陈述句中 用 some
can you see any birds __ in the tree?no,there are only lots red apples__ on__the tree
对于小鸟 只能用in 果实在树上 用 on 这是固定搭配的

C，疑问里面用any，陈述里面用some

A，in表示的是外在的存在，on是生长在树上的东西
in the tree通常表示的是方位、位置，在树上、在树干上、在树枝间等
on the tree也可以当成in the tree来用，此外还专门特指生长在树上。

C,C

C
A

in the tree通常表示的是方位、位置，在树上、在树干上、在树枝间等都用in the tree表示。
on the tree也可以当成in the tree来用，此外还专门特指生长在树上。如树上结的果子、开的花等等。
故选A

你好。答案是C 因为强调的是“一般疑问句”和“肯定句”。

答案A 长在树上 in 后落在，on