You will succeed in the end ________ you give up half-way．

A．even if

B．as though

C．as long as

D．unless

As is announced, ________ ＄20,000 reward will be offered for ________ return of the stolen cultural relics．

A．a; the

B．不填; the

C．a; a

D．不填; a

－Have you got the news of the coal mine explosion?

－Yes．It came ________ quite a shock to us．

A．by

B．with

C．as

D．from

Some great people said it was their primary school teachers and their lessons ________ they were fond of ________ influenced their whole lives．

A．which; that

B．that; which

C．which; which

D．that; that

To my astonishment, everyone present took on a ________ look hearing the ________ news．

A．surprised; expected

B．surprising; expected

C．surprised; expecting

D．surprising; expecting

________ at the end of next month, the gymnasium is being built day and night by the construction workers．

A．Completed

B．To be completed

C．To complete

D．Completing

No one can attain great achievements ________ he concentrates on what he is doing, even though a talent．

A．because

B．while

C．unless

D．if

Addicted to reading and writing since a pupil, Benjamin easily got the chance to work ________ a big newspaper after graduating from college．

A．away

B．off

C．on

D．out

Our legal system is being perfected to prevent some government officials ________ their power．

A．wasting

B．controlling

C．sharing

D．abusing

The hills in my hometown which used to be covered with green trees are now mostly ________．

A．empty

B．blank

C．vacant

D．bare