A．entertainB．graspC．endureD．maintain

[ A] application [ B] endurance [ C] expectancy [ D] extension

They（) many difficulties during their trip.A encounteredB encouragedC embarrassedD endur

A．fountainB．obtainC．containD．maintain

【C20】A．lengthB．longevityC．durabilityD．endurance

【C2】A．assistanceB．assuranceC．insuranceD．endurance

He endured agonies before he finally 【expired】.A.