Would you like to ________ the performance of newlydeveloped energysaving device?— Sorry, but I am not in the position to ________. [ ]

Mrs. Li works hard to buy a large house ______________.

Is this a photo _____ your family

We are so glad to see that Shanghai is developing _______ these years than ever before.

How much do you ______ mending a pair of shoes?-Only one dollar, sir.[ ]