On the hill are maple trees _____ leaves have turned red.
举一反三
- On the hill are maple trees _____ leaves have turned red. A: who B: whom C: whose D: which
- 请指出句子中的表语（主语补足语）The leaves have turned yellow. A: the leaves B: have C: turned D: yellow
- I have seen trees, _____ open at sunrise and close at sunset. A: which the leaves B: of which leaves C: whose leaves D: its leaves
- Maple trees are thought to be fall color trees or foliage trees.
- Trees _ their leaves .