Professor Smith has great confidence ( ) his students.
A.in
B.over
C.on
D.at

单项选择题Take it easy.You look like a fish ( ) of water.A.outB.inC.withD.from

单项选择题Put in the Coffee and ( )it, you will make the drink.A.twistB.stirC.rollD.hake

单项选择题Your handwriting has a ( ) style. and I can recognize it at once.A.uniqueB.commonC.sharpD.beneficial

单项选择题Having worked hard for half a year, I plan to go on my ().A.vocation B.vacation C.caution D.action

单项选择题We are having a ( ) technical problem with one of our engines.A.lightB.slightC.brightD.slim