The ________ boy was seen ________ near the East Lake．

A．missing; playing

B．missing; play

C．missed; played

D．missed; to play

He sent me an e-mail, ________ to get further information．

A．hoped

B．hoping

C．to hope

D．hope

________ such heavy pollution already, it may now be too late to clean up the river．

A．Having suffered

B．Suffering

C．To suffer

D．Suffered

Though ________ money, his parents managed to send him to university．

A．lacked

B．lacking of

C．lacking

D．lacked in

________, we must read the instructions first．

A．When using this machine

B．When this machine using

C．When this machine used

D．When used this machine

________ their work, the students didn't go home．

A．Having not finished

B．Not having finished

C．Not having been finished

D．Having not been finished

________, the mountain looks like an elephant．

A．Having seen from a distance

B．Having been seen from a distance

C．Seeing from a distance

D．Seen from a distance

The man ________ this morning was my cousin．

A．coming

B．who came

C．having come

D．to come

I was overjoyed at the news of my hometown ________ so much progress．

A．to make

B．to have made

C．made

D．having made

The man ________ there is our headmaster．

A．stand

B．to stand

C．is standing

D．standing