20.______ that caused him to serve dinner an hour later than usual.
| A．It was we being late | B．It was our being late |
| C．It was we were too late | D．It was because we were late |
Losing weight may not be just about what you eatwhen you eat it, according to a new study.
| A．so | B．and | C．but | D．for |
Go anywhere in China on________ clear day in springtime and you’re bound to see people flying ________kites. It’s a favorite outdoor activity in China.
| A．a; the | B．a ;/ | C．the; / | D． the; the |
–What’s the matter with you?
–After the long walk, my legs ____ and I couldn’t go any further.
| A．gave out | B．gave off | C．gave in | D．gave up |
______, education is about learning and the more you learn, the more equipped for life you are.
| A．As far as I concern | B．As far as I am concerned |
| C．So far as I am concerning | D．So far as I was concerned |
I’m sorry I can’t help ____ the flowers, because I’m busy preparing for the singing competition ____ tomorrow.
| A．watering; to be held | B．water; being held |
| C．to water; held | D．water; to be held |