15．

A．in

B．for

C．to

D．at

[单选题]15．A．one'B．twoC．threeD．twice

[单选题]15．A． aB．anC．theD．some

[单选题]15．A．tooB．as wellC．alsoD．either

[单选题]15．A．themB．theyC．it'sD．it

[单选题]15．A．muchB．moreC．lessD．fewer

[单选题]15．A．askedB．letC．made

[单选题]15．A．theirB．hisC．itsD．our

[单选题]15．A． atB．inC． onD． for

[单选题]15．A．wantsB．likesC．is going toD．would like

[单选题]15．A． wereB．amC． beD． was