Importswillbeallowedinproportion_______exports.
A、toA
in proportion to ：按…的比例，与…成正比。
TheFrenchmaintaina________separationofpersonalandprofessionallife.
Itisobvioushowbadmovieswillimpact________children.
Sofarscientistshaveonlyacquired________understandingofthephysicalprocessesthatcauseearthquakes.
名词解释：offer
Thetrafficwasheldupformorethanthirtyminutes,________causedmetoarrivelate.
