________ from his family for over two years, he is now eager to go back home．

A．Having been separated

B．Being separated

C．Separating

D．Having separated

When speaking in public, ________．

A．speech should be understood

B．speech should be easy to understand

C．one should make himself understood

D．one should make listeners understand

They are going to find a new approach ________ these complex problems．

A．to solving

B．to solve

C．in solving

D．solves

During the National Day break, residents in Beijing chose to go to the country to relax for there was a travel ________ downtown．

A．agency

B．boom

C．experience

D．plan

“Tommy, run! Be quick! The house is on fire!” Mother shouted with ________．

A．anger

B．rudeness

C．regret

D．panic

The minister said, “We are ready for discussions with any legal parties, but we'll never ________ with criminals．”

A．negotiate

B．quarrel

C．argue

D．consult

Last night, I dreamed of there ________ a beautiful garden in front of my house．

A．to be

B．is

C．being

D．had

________ come out of the building, my first thought was to call the fire department．

A．On seeing the smoke

B．When I saw the smoke

C．Having seen the smoke

D．As soon as the smoke was seen

Wind power is an ancient source of energy, ________ we may return in the near future．

A．on which

B．by which

C．to which

D．from which

Although he is old enough to do his own business, he seems to be ________ on his parents．

A．dependable

B．dependent

C．reliable

D．independent