I always prefer _______ a bike rather than _______ to work.
| A．riding, drive | B．to ride, drive |
| C．ride, driving | D．to ride, driving |
Paul started hiking in 2010 and he has hiked across 11 countries __________.
| A．ever since | B．from then on | C．right away | D．at once |
Saving money is ________ we must do.
| A．what that | B．anything that | C．something that | D．something which |
_______is no good always complaining about life. At least, we are living.
| A．It | B．There | C．This | D．That |
Helen listened carefully _________ she might discover exactly what John wanted.
| A．so as that | B．in order that | C．in order to | D．so as to |
Smoking, which may be _______ for some people, can cause great ______ to our health.
| A．fun; destroy | B．fun; damage | C．a fun; harm | D．a fun; hurt |