完成句子（共5小题10空；每空1分，满分10分）

小题1: Practice makes perfect.  ______ a _________(因此), she passed the driving test easily.

小题2:When they were young,  they often ____________ against each other _________ (竞

争)the honour of winning.

小题3:Mr Li really knows how to ________ _________（对付） his badly-behaved students.

小题4:Over the past three days, more and more volunteers have joined them in ___________

________（寻找）the missing girl.

小题5: He is          the radio          （拆开）to see what’s wrong with it.