1 . John waited for a long time because he was the last person ____________to speak.

A．to ask

B．to be asked

C．being asked

D．to asked

2 . I am really ____________with her but it's so strange that I can't remember her name now.

A．familiar

B．similar

C．known

D．alike

3 . The heavy rain has lasted for several days and the river has____________ by 30 centimeters.

A．risen

B．raised

C．arisen

D．lifted

4 . In my opinion, we should find a way to get the problem ____________as fast as possible.

A．solved

B．to solve

C．developed

D．to develop

5 . —Many of us in our company have a ____________ opinion of him.
—But he is____________   spoken of by most of the leaders.

A．badly; high

B．bad; high

C．bad; highly

D．badly; highly

6 . The world's oceans contain huge amounts of salt. In fact, if you____________ all the salt ____________ the oceans, you can use it to build a wall about 300 km wide and 1 km tall all around the Earth.

A．take; apart

B．dig; out

C．move; in

D．remove; from