________ in the mountains for a week, the two students were finally saved by the local police
| A．Having lost | B．Lost | C．Being lost | D．Losing |
. ______we’ll be able to drive a car______ by electricity, solar energy in about ten years.
|
. The chickens will provide us _______ feathers, ______ we can make use for cleaning the table and benches.
|
. --- This book by Tony Garrison is of great use for our course.
--- But I think his latest one is______ worth reading.
| A．better | B．more | C．well | D．very |
. --- My son is addicted to drugs. He isn’t hopeless, is he?
--- Yes, ______ he mends his way and starts all over.
| A．if | B．when | C．even if | D．unless |
. The ancient Chinese vases _______ display attracted lots of experts and collectors, some of whom suggested they______ on the next fair.
| A. on; displayed |
B. on; be displayed |
| C. in; displayed |
D. in; be displayed |