I ________ sooner but I didn't know that they were waiting for me.
| A．had come | B．was coming |
| C．would come | D．would have come |
This is Mr.Smith ________ I think has something interesting to tell you.
| A．whom | B．who | C．whose | D．which |
Stop ________ yourself in the mirror.It's time for work.
| A．helping | B．challenging | C．admiring | D．seating |
They are my good friends.They helped to________ me through the difficulty.
| A．put | B．pull | C．break | D．take |
Dr.Sun Yatsen had________ for the independence of the country and happiness of the people in all his life.
| A．asked | B．longed | C．struggled | D．waited |
This business company which was ________ in 1724 has developed into a big one.
| A．found | B．to find | C．founded | D．being founded |