专题限时训练(七) [介词与介词短语]
(限时：10分钟)
1．Mr John was so humorous that we had a good laugh ________ the meal.
A．at B．over
C．in D．between
2．Henry always seems so selfconfident, but ________ he's extremely shy.
A．in reality B．in need
C．in place D．in vain
3．You have made a few pronunciation mistakes in your oral exam, but ________， it is fairly good.
A．above all B．generally speaking
C．on the whole D．on the one hand
4．I know you didn't break the vase ________. Don't cry!
A．on purpose B．by accident
C．on business D．by mistake
5．—Thank God you're safe!
—I stepped back, just ________ to avoid the racing car.
A．in time B．in case
