It’s really kind of you to care for my pet dog while I was away for the whole year.— _______. The dog is loyal. We’ve been close friends.

Peter and I _________ classmates.

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

How do you keep fit?—By having a healthy diet and _________ regularly.

The couple ________ a health centre in Cambodia，________ their sevenyearold son was born