To make sure the relics in the museum are well-preserved Tibet’s cultural preservation institutions have _____ modern technologies to monitor the conditions of the relics. [ ]

In the dark forest _____, some large enough to hold several English towns. [ ]

Listen! The little girl ____ a song over there 在那边. She ____songs there every Sunday morning.

Which coat would you like to buy, Joe7—Well, I’d choose the blue one. It’s ______ , so I can spare some money for a book.

Lucy had few close friends. So she didn’t know ________ about the trouble.