Thank you for________ the trouble _________me with the work.
| A．having; helping | B．taking; helping |
| C．taking; to help | D．having; to help |
The airport _______ next year will help promote tourism in this area.
| A．being completed | B．to be completed |
| C．completed | D．having been completed |
Nowadays people are more concerned about the environment _______ they live.
| A．what | B．which | C．when | D．where |
which university to attend, the girl asked her teacher for advice.
| A． | Not knowing | B． | Knowing not | C． | Not known | D． | Known not |
He is so busy. He cannot afford enough time with his son _______ he wants to.
| A．even if | B．as if | C．because | D．before |
you said at the meeting describes a bright future for the company.
| A． | When | B． | How | C． | What | D． | That |