Barker refused to answer more questions，__________ that he had already said too much.
| A．adding |
| B．added |
| C．added to |
| D．added up |
—Did you enjoy your tour around Beijing， Mr Singh？
—Yes. But I hate when the tour guide held out his left hand to shake hands with me.
A oneB. that
C. it D. this
“You are too selfish. It’s high time you that you are not the most important person in the world.” Peter said to his boss angrily.
| A．realized | B．realize | C．will realize | D．have realized |
Apart from the urgent problems caused by wars and conflicts， the UN helps countries with other problems such as education， starvation， disasters， AIDs and other diseases.
| A．lack for | B．lack in |
| C．lack | D．lack of |
The breaking of a taboo is usually upsetting or embarrassing for the person____ and the people around him or her.
| A．to concern | B．concerning |
| C． concerned | D．concern |
Thanks to the work of UNICEF. Otherwise many children the chance of living a good life.
| A．will not have | B．have not had |
| C．do not have | D．would not have |