I'll go to the library as soon as I finish what I ________.
| A．was doing | B．am doing |
| C．have done | D．had been doing |
Never _______ forget the days when _______ together with you．
| A．shall I；I lived | B．shall I；did I live |
| C．I shall；I lived | D．I shall；did I live |
The two old sisters，_______ so long，held each other and burst into tears．
| A．being separated | B．having been separated |
| C．having separated | D．had been separated |
— When will you leave for Paris for a visit?
—_____next month.
| A．Until | B．After | C．At | D．In |
In such dry weather the flowers will have to be watered if they _____.
| A．have survived | B．would survive | C．are to survive | D．will survive |
It's impossible for all the people to get jobs because ____of them are not fit for them.
| A．none | B．all | C．not all | D．every one |