题目内容
（填写适当形式） Are the four ________ (boy) your friends?
(填写适当形式)Does she ________(have) a sister?
（填写适当形式）At the _____ (begin) of the class，we usually sing a song．
（填写适当形式）I walk _____ (past) a bank on my way to the school．
（填写适当形式）When you _____ (see) a post office，turn right．
（填写适当形式）Lucy _____ (write) a letter now.
