---Look! Here's a yellow bike. Is it Zhang Lei's? ---It( ) be Zhang Lei's. His bike is red.
A.can't B.must C.needn't D.may正确答案A
---Look! Here's a yellow bike. Is it Zhang Lei's? ---It( ) be Zhang Lei's. His bike is red.
A.can't B.must C.needn't D.may正确答案A