Please tell me how to work out thismaths problem— Use your ______ , then your find a way

I was told that although these old buildings _______ the Qing Dynasty, they remained in good condition

__________ beautiful city! –Yes. Lots of tourists come to visit itevery year.

finished a large part of the book,the rest of which___ more difficult.

It is a warm day, isn’t it? —Yes, it’s _____ cold. I just wear a jacket.