Ⅰ. 单句语法填空
1. Humor is used (use) in office communication in both Australia and the US from time to time.
2. English is spoken (speak) all over the world and has become a universal language.
3. Either you or one of your students is (be) to attend the meeting to be held tomorrow.
4. To my delight, I was chosen (choose) to attend the opening ceremony.
5. The famous musician, as well as his students, was invited (invite) to perform at the opening ceremony of the 2016 Rio Olympics.
6. The “Chinese Dream” is (be) a dream to improve people’s well-being.
7. Marco Polo is said (say) to have sailed on the Pacific Ocean on his way to Java in the thirteenth century.
8. Two hours ago, two policemen were asked (ask) to search for the people who were (be) lost in the mountain.
9. The traffic on the main streets has (have) a longer green signal than that on the small ones.
10. Recycling second-hand materials is (be) one way to protect the environment.
