It is the in this country to go out and pick flowers on the first day of the spring．
| A．use | B．custom | C．habit | D．normal |
They looked forward with hope _____ a chance to receive further education.
| A．for getting | B．of getting | C．to get | D．to getting |
I regret _____ hard at school, or I would have succeeded in passing the exam.
| A．not to work | B．having not worked |
| C．to have not worked | D．not having worked |
We should prevent such a silly mistake _____ again.
| A．occurring | B．to occur |
| C．to be occurred | D．from being occurred |
_____ full preparations, we decided to put off the meeting till next week.
| A．We did not make | B．Having not made |
| C．We had not made | D．Not having made |
I’m examining the article he has just finished _____ the possible mistakes in it.
| A．being corrected | B．to correct |
| C．corrected | D．having corrected |