问题描述：
My car___so i had to come by bus.
A.fell down B.broke down C.fell over D.turned away
Much has been written on the virtues of natural childbirth,but like research has been done
to___these virtues.
A.confirm B.consult C.confess D.convey
He didn't___and so he failed the examination.
A.work enough hard B.hard work enough C.hard enough work D.work hard enough
You should observe carefully how the audience___his speech.
A.reach to B.refer to C.react to D.relate to
One of my___sayings is"Where there is a will,there is a way".
A.likely B.favorable C.alike D.favorite
A new technique___out,the yield increases by 20%.
A.having working B.having been worked C.at a loss D.for good
The bird felw into the air and was soon___
A.out of sight B.in a hurry C.at a loss D.for good
The teacher___students on a tour through the art museum
A.made B.indicated C.forced D.took
Tom's parents died when he was a child,so he was___by his relatives.
A.grown up B.brought up C.rasied up D.fed up
Plastic bags are useful for holding many kinds of food___their cleaness toughness and low cost.
A.by virtue of B.at sight of C.by means of D.by way of
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