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21.Thedoctors_______themedicinestothepeopleinthefloodarea.
22.Muchofthenewsprovidedbythisnewspaperis_______,notforeign.
23.Hetriedto_______relationswithhisformerwifebuthefailed.
24.He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.
25.The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
26.Manykindsofanimalsarebelievedtohave_________fromtheearth
27.Theengineersinthislabspentseveralweeks_______theirplansforthenewbicycle.
28.Pinetreesareusuallybelievedto_______coldweather.
29.Freemedicalserviceis_______tonearlyallthecollegestudentsinChina.
30.Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.