He waited until it was dark ____ nobody could see him clearly.
Itriedtoworkon,butIgotsotiredthatIcouldnolonger________.
Johnhasputonsomuchweightrecentlythathismotherhasto________allhistrouserstohismeasure.
Thehotelporter________anybodywhowasn’twearingacollarandtie.
---WillsomebodygoandgetDr.White? ---He’salreadybeen___________.
SomeofthestudentshadlearnedenoughEnglishto_________aconversationwithanativespeakerofEnglish.