He will go to school by bike ___ on foot.
| A．instead | B．of | C．instead of | D．no |
Over the past 30 years, China has spent hundreds of billions of yuan to pull its rural population out of poverty. Now China’s Anti-poverty efforts __________.
| A．pay off | B．pay up | C．pay back | D．pay for |
---Keep _____ in mind that you have to be home by 10 o’clock.
---Ok, I will.
| A．it | B．me | C．this | D．one |
We are at your service. Don’t to turn to us if you have any further problems.
| A．beg | B．hesitate | C．desire | D．seek |
A warm thought suddenly came to me __________ I might use the pocket money to buy some flowers for my mother’s birthday.
| A．if | B．when | C．that | D．which |
All living organisms (有机物), __________ their unique identity, have biological, chemical and physical characteristics in common.
| A．as a consequence of | B．for the sake of | C．in terms of | D．regardless of |