This pop star is very ______ with young people, who like his songs and style.
| A．familiar | B．similar | C．particular | D．popular |
_____ is known to us all is that the 2010 World Expo will take place in Shanghai.
| A．It | B．What | C．As | D．Which |
You may lie ______ the ground is dry.
| A．which | B．that | C．where | D．unless |
He recognized me _____ he saw me.
| A．the moment | B．until | C．after | D．since |
The commander ordered that the wounded _____ to hospital at once.
| A．to be sent | B．be sent | C．send | D．should send |
_____ is known to all that oil and water don’t mix up.
| A．It | B．What | C．Which | D．As |