To make sure that relics in the museum are well-preserved, Tibet’s Cuhural Preservation Institution has___modern technologies to monitor the conditions of the relics.[ ]

11. Tom was arguing _____ the payment ofthe bill_____ John.

lack, I think you have good taste in _____ art.So would you like to take _____ look at the painting.—Yes, I’d love to.

Why didn’t you buy the pen on your way home —Sorry, I forget ______money with me.

I had great difficultythesuitable food on the menu in that restaurant.