What ______ public is concerned about is whether medical workers and scientists will be able to find_____cure for this new disease in a short time.
| A．不填;不填 | B．不填;the | C．the;不填 | D．the;a |
–Why, David, you look so tired!
–Well, I ______ a report for the whole day and I must finish it tomorrow.
| A．was writing | B．will be writing |
| C．have written | D．have been writing |
We promise ______ attends the party a chance to have a photo taken with the movie star.
| A．who | B．whom | C．whoever | D．whomever |
The engine of the bus was ______，and the bad weather added to the worries of the passengers.
| A．in vain | B．in good condition |
| C．out of work | D．out of order |
The house is finished at last. All their hard work has _____.
| A．paid back | B．paid off | C．paid up | D．paid for |
It won’t be easy, but we’ll get across the river ______.
| A．somewhat | B．somewhere | C．somehow | D．sometimes |