单项选择题
A.what B.which C./ D.that
() apple fell down from the tree and hit him on () head...
单项选择题() apple fell down from the tree and hit him on () head.
A.An;the B.The;the C.An;/ D.The;/
(), and you will have an answer soon.A.Thinking it over...
单项选择题(), and you will have an answer soon.
A.Thinking it over B.Think it over C.Think over it D.To think it over