—The experiment is of particular importance.
—I see. We will carry on with it ________ we can get enough money.
| A．unless | B．though | C．whether | D．until |
--- You didn’t have a good time at the party?
---- No, I ______ a lot from the noise made by the band.
| A．worried | B．suffered | C．heard | D．enjoyed |
The police are trying to find out the _______ of the woman killed in the traffic accident.
| A．status | B．identity | C．recognition | D．evidence |
Working abroad for many years, he has made a big _______ and started a company of his own.
| A．difference | B．fortune | C．progress | D．breakthrough |
--- Julia, what were you doing when Anna called you?
--- I ________ my housework and was starting to take a bath.
| A．had finished | B．have finished | C．were finishing | D．will finish |
The flowers his friend gave him will die unless _________ every day.
| A．watering | B．watered | C．is watered | D．waters |