It is freezing here． Wear your coat, ______ you’ll catch a cold．
| A．or | B．so | C．but | D．and |
The table was too heavy for me.I really couldn't ________ its weight by myself.
| A．stand | B．bear | C．tolerate | D．suffer |
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 |