It is not always easy for the public to see _____ use a new invention can be of to human life.
| A. whose |
B. what |
C. which |
D. that |
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 |
Our house on the hillside ______ a beautiful view of the port.
| A．overlooks | B．witnesses | C．classifies | D．betrays |