If _______ , English teachers must pass the oral and written tests.
| A.recruited | B.were recruited |
| C.recruiting | D.to be recruited |
________ the opportunity to speak at the graduation ceremony made him overjoyed.
| A.Being offered | B.To offer |
| C.Having offered | D.Offered |
Not until ________ the Internet ________ that the Chinese sailors were rescued by the European Union Task Force.
| A.did I surf; did I know | B.did I surf; I knew |
| C.I surfed; did I know | D.I surfed; I had know |
Good shoes, clothes and a backpack are the basic ________ you need for your hiking.
| A.equipment | B.instruments |
| C.tools | D.models |
The Australian boy has a good ________ of Chinese and can express himself freely in it.
| A.power | B.command |
| C.demand | D.usage |
—How can I use the equipment?
—Well, just refer to the ________.
| A.directions | B.explanations |
| C.expressions | D.introductions |