问题描述：
The bus___at ten to ten,doesn't it?Yes,we have to hurry.A.will arrive B.is arriving C.arrives
D.arrived I find___really bird lovers.Yes,they try___best to help birds.A.they;their B.they;them C.them;their D.them;them
D.arrived I find___really bird lovers.Yes,they try___best to help birds.A.they;their B.they;them C.them;their D.them;them
问题解答：
我来补答展开全文阅读