Importswillbeallowedinproportion_______exports.
A
in proportion to ：按…的比例，与…成正比。
Iwouldlove________tothepartylastnightbutIhadtoworkextrahourstofinishareport.
Sofarscientistshaveonlyacquired________understandingofthephysicalprocessesthatcauseearthquakes.
Thetrafficwasheldupformorethanthirtyminutes,________causedmetoarrivelate.