1. It’s not early so you’d better start ______.
A. on time B. right away C. at present D. for the present
2. In that terrible earthquake, ______ who were killed was more than 60,000.
A. a number of people B. many people C. a large number people D. the number of people
3. _____finish their task ahead of time, the students worked harder and harder.
A. In order to B. So as to C. As to D. In order not to