— Why weren't you at the meeting?
— I ________ for a long distance call from my sister in America.
| A．was waited | B．was waiting |
| C．has waited | D．have been waiting |
Tuesday being _________ windy, cold day in Beijing, the President tours _______ Forbidden City in Beijing, wearing ________ blue shirt with no tie and a casual leather jacket.
| A．a; the; the | B．a; /; a | C．/; /; a | D．a; the; a |
_______________ while writing, he locked himself in his study.
| A．Not to interrupt | B．Not being interrupted |
| C．Not to be interrupted | D．Being not interrupted |
The incomes of skilled workers went up. ______， unskilled workers saw their earnings fall.
| A．Moreover | B．Therefore | C．Meanwhile | D．Otherwise |
The further falling of the stock market as reported today has _______ a fresh wave of selling.
| A．given off | B．set off | C．put off | D．got off |
In the current situation, ___________ the dollar goes above 1.85 reais, investors sell the greenback to take some profit.
| A．whenever | B．however | C．whatever | D．whichever |