A new study indicates that basic steps taken by people daily can go a long way in ____ the greenhouse gas emission.
| A．cutting down | B．taking down |
| C．pulling down | D．breaking down |
He is thought ___foolishly .Now he has no one but himself to blame for losing the job.
| A．to act | B． to have acted | C． acting | D．having acted |
It is unbelievable that Mr. Lucas leads a simple life __his great wealth.
| A．without | B． despite | C． in | D．to |
---When shall I call, in the morning or afternoon?
----___. I’ll be in all day.
| A．Any | B．None | C．Neither | D．Either |
nearly all our money, we couldn't afford to stay at a hotel.
| A． | Having spent | B． | To spent | C． | Spent | D． | To have spent |
Life is unpredictable; even the poorestbecome the richest.
| A． | shall | B． | must | C． | need | D． | might |