Can I try it on?(复数） Can______try_________on?

Can I try it on?(复数） Can______try_________on? Can I try it on?可以改成Can I try on it? 关于Can I try it on?与Can I try them on? this pair of jeans （）very nice ,can I () 1.is ;try them on 2.is;try it on I like these shoes.Can I _____?A.try them on B.try it on I like this sweater ,can I____?A,try it onB.try on itC.try them onD.try on them Can I try on it 怎么错了 （ ) i try it on? a.can b.am（ ) i try it on? a.can b.am c.do 选哪个 I like this pari of trousers .Can I____A try them on B try it on This pair of shoes is nice .can I ____? A try on it B try it on C try on them D try them on I want to buy this pair of jeans.Can I___?A.try on them B .try them on C.try it on D.try on it理由 i like this shirt .can i _____?A try on itB try it om Can I try these on? try out和 try on有什么区别?The dress is very nice.Can I try it< 啊应该是on? ( )These trousers look vevy beautiful.Can I A try on it B try it on C try on them D try( ） do you swim a week?Twice.A How long B How often C What time D How much This pair of leather boots( )NICE.Can i ( A.look:try it on B.look:try them on C.looks:try it onD.looks:try them on 1.Mum,I like the red dress .Can I ____?1.Mum,I like the red dress .Can I ____?A.try it on B.try on it c.try them on D.try on them I want this pair of pants.Can I ( ) A.try it on B.try them on 选哪一个?为什么?