1.There are four pairs of shoes to _____, but I don’t know ___ to buy.

A. choose from, which  B. choose  from, what

C. be chosen, which    D. be chose from ,what

2.He would not mind____the windows. ____you agree____me?

   A .to close, do, to  B. close, are, with 

C, close, are, to  D. closing, do, with

3.How much does the new bike____? I____300 yuan ____ it.

   A. cost, paid on    B. spend, spent for   

C, pay, spent on   D. cost, paid for