The countryside gives us peace and quiet, which is ______ we can’t enjoy living in the city.A. that B. what why D. where
---Alice, why didn’t you come yesterday? ---I ____, but I had an unexpected visitor.
---Have you ____ some new ideas? ---Yeah. I’ll tell you later.
He suggested that she ____ the coat at home.
What great trouble we had ____ where his house was.
Not until I began to work ______ how much time I had wasted.