. However, at times this balance in nature is disturbed, ____ a number of possibly unforeseen effects.
| A．lying in | B．calling in | C．taking in | D．resulting in |
_____ he can pass the driving test is quite uncertain.
| A．If | B．Whether | C．That | D．What |
I tried phoning her office,but Icould not______.
A,get along B,get on C,get to D,get through
Sam_____some knowledge of the computer just by watching others working on it.
A,brought up B,looked C,picked up D.set up
When______where he was born,John said he was a New Yorker.
A,asking B,being asked C,asked D,was asked
___ in simple English,the article is easy ______.
A,Writing,to read B,Written,to be read C,writing,to be read D,written,to read