一、单项选择（每小题1分，共15分）
1. Now, the Internet has made ______ much faster and easier to travel. For example, you can book tickets online.
A us B that C it D this
2. We have discussed the project for two hours. And after a short break, the discussion________.
A will carry on B will be carried on C has carried on D were carried on
3. In our life, we can work hard on one task _______, and then another. In this way, all your dreams can be realized.
A at a time B on time C at the time D all the time
4. The father is creative enough __________ so many nice toys for his daughter.
A. buying B. to buy C. making D. to make
