Hi, Daniel. How was your trip to Qingdao—________. The beaches there are very beautiful and we also enjoyed some fresh seafood.

He, ____ his father, _____ ball games.

We should eat _______ fruit and vegetables, but _______ meat. It is good for our health.

The Internet is a wonderful discovery, ___of great significance to people’s lives.

studyingchemistry for years, I can only say I have____general knowledge of thissubject