He made another wonderful discovery, of great importance to science.
- The speaker is a tall man with glasses. - Then it_____ be Mr. Smith, who is short and thin.
I have to see the doctor this afternoon because I ____ a lot lately.
- Why do you choose to work in a kindergarten? - Well, you know, dancing is my _____. So it is my best choice.
Still many Senior Three students haven't realized reading English newspapers _______of great help to their English study.
If this bridge can't be repaired, ____ will mean no food will be transported to the flooded areas.