The father as well as his three children ____skating on the frozen river every Sunday afternoon in winter.
| A．is going |
| B．go |
| C．goes |
| D．are going |
_____ the secret of nature, the young scient
ist has little time for ent
ertainment．
| A．Devoted to bring up |
B．Devoted himself to bring up |
| C．Devoted to bringing up | D．Devoting to bring up |
— ?
—Nothing serious, but a bit tired．
| A．Anything the matter with you | B．Is that all |
| C．Anything else | D．What's this |
He was always _______ for knowledge, and at last became an expert in the field of art.
| A．fond | B．content | C．brave | D．greedy |
______ at the crossing and you will see a tall white building.
| A．Turn right | B．Turning right | C．Turned right | D．Being turn right |
Rather than ______ at home playing cards on the Internet, I prefer _______ out for a day trip.
| A．to stay; to go | B．stay; to go | C．to stay; go | D．stay; go |