Ithinktherearesomebisuitsinthatbox.(改写否定句)

　　Idon'tthinkthereareanybiscuitsinthatbox.

　　Thismodelislessexpensivethanthatone.（同义句）

　　Thismodelischeaperthanthatone.

　　Thatshirtishis.（同义句）

　　Thatishisshirt.

　　Thisismysuitcase.（同义句）

　　Thissuitcaseismine.

　　Thosepensandpencilsbelongtothem.(同义句)

　　Thosepensandpencilsaretheirs.

　　What`sthematterwithher(同义句)

　　What'swrongwithher?

　　TheyareDave`sshirts.(就划线部分提问)划线部分：Dave`s

　　Whoseshirtsarethey?

　　Hewantsanewbike.(就划线部分提问)划线部分：anewbike

　　Whatdoeshewant?