Ⅰ. 单句语法填空
1. The road became narrower and rougher and eventually (eventual) petered out.
2. We should keep in touch with each other, including writing to each other.
3. They had to delay leaving (leave) for the country as a result of the exit visa.
4. Rising temperature can contribute to the extinction of some species.
5. With his hair cut(cut), he looked much younger.
6. With a lot of homework to do(do), she can’t go to the cinema with her parents.
7. All the sites are free to the public and accessible (access) to anyone with an Internet connection.
8. A better policy is highly adaptable(adapt) to economic change.
9. Qian Xuesen made great contributions(contribute)to the space development program.
10. I agree with it in principle but I doubt if it will happen in practice.
