Rewrite the following sentences as required（根据所给要求，改写下列句子。每空格限填一词)
小题1:Peter has bread and milk for breakfast.(改为否定句)
Peter_______ _________bread or milk for breakfast.
小题2:Mr. Smith and his wife seldom drive their car to work.（改为反意疑问句）
Mr. Smith and his wife seldom drive their car to work,______ ______?
小题3:You should take the medicine three times a day.（对划线部分提问）
________ ________should you take the medicine?
小题4:London will hold the next Olympic Games.(保持句意基本不变)
The next Olympic Games will _______ ______in London.
小题5:My grandpa began to learn how to use a computer when he was over sixty.（保持句意不变）
My grandpa began to learn how to use a computer in ______ ______.
小题6:Chinese people plant a large number of trees on March l2 every year.（改为被动语态）
A 1arge number of trees _______ ______on March 12 every year.
小题7:"Are you doing your homework, Tom?" Mother asked.（把直接引语改为间接引语）
Mother asked Tom ______he _____doing his homework.
小题1:doesn’t have
小题2:do they
小题3:How often
小题4:take place
小题5:his sixties
小题6:are planted
小题7:if/whether was
小题1:一般现在时的否定用doesn’t +动词原形
小题2:原句有seldom，所以反意疑问句用肯定，do they
小题3:three times a day.一天三次表示频率，用How often提问。
小题4:hold“举行”同“take place”
小题5:in his sixties在他六十几岁时，和when he was over sixty意思一样。
小题6:一般现在时的被动语态是am、is、are、+done，所以填are planted
小题7:把一般疑问句变成间接引语要用if/whether 又因为主句是过去时，所以从句用中用was代替is。