It is possible that ______ 2030, cars and airplanes will run on the new fuel.
| A．by | B．on | C．until | D．at |
More and more students are ________ reading in our school.
| A．benefiting from | B．comparing to | C．giving off | D．setting out |
People have realized that they should go on _____ balanced diet and do _____ exercise every day.
| A．a; / | B．the; an | C．the; the | D．/; an |
------- May I use your mobile phone? --------- _______________
| A．why not? | B．OK, enjoy yourself. | C．Go ahead. | D．Yes, but you’d better not. |
I don’t think she is a nice woman; I am _____ her empty talk.
| A．grateful for | B．tired of | C．crazy about | D．concerned about |
Many people stood near the bus stop, nervously waiting ______.
| A．to pick up | B．picking up | C．to be picked up | D．being picked up |