At least 300 million people are using QQ _________ by Ma Huateng to chat on line．
| A．create | B．creates | C．creating | D．created |
I think _____________ necessary to do some morning exercises every day.
| A．it | B．that | C．this | D．one |
Don’t _____________ the disabled persons. We should help them.
| A．look up on | B．look down |
| C．look down on | D．look down |
It will be rainy, you’d better take_____ umbrella
| A．a | B．an | C．/ | D．one |
____is an organization that works to improve the lives of children.
| A．Oxfam | B．ORBIS | C． World Vision | D．UNICEF |
Millie is ________ of the dark. She never goes out at night.
| A．sad | B．interested | C．exciting | D．afraid |