The temperature now is much higher than______of 100 years ago because of more and more greenhouse gas.
----What a nice bike! How long ____ you ____it? ----- Just two weeks.
There_____ a hospital in my hometown fifty years ago.
---What are you going to do this weekend?----- I _____ yet.
After hearing the ______ news, everyone was ______.
Mr Hua to Japan. He’ll come back in two weeks.