Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
| A．has served | B．had served |
| C．is serving | D．served |
The manager is said to have arrived back from Paris where he _______ some European business partners.
| A．would meet | B．is meeting | C．meets | D．had met |
_______an important decision more on emotion than on reason, you will regret it sooner or later.
| A．Based | B．Basing | C．Base | D．To base |
One's life has value（）one brings value to the life of others.
| A． | so that | B． | no matter how | C． | as long as | D． | except that |
- Thank God you're safe!
- I stepped back, justto avoid the racing car.
| A． | in time | B． | in case | C． | in need | D． | in vain |
Days later, my brother called to say he was all right, butsay where he was.
| A． | mustn't | B． | shouldn't | C． | wouldn't | D． | mightn't |