改错：下列各句中画括号部分有一处是错的,请找出来,并改正
（ ）1、(Do） you like (sandwich)?(No),I like (tea).______
（ ）2、(What's) (would) you like?(I'd) like (some tea).______
（ ）3、(What's) the (matter) (of) (you)?______
（ ）4、(Who's) (book) (is) (this)?______
（ ）5、(Look) (the) (blackboard),(please).______