Onewaytounderstandthousandsofnewwordsistogain__________goodknowledgeofbasicwordformation.

Mr.Smithisingoodhealthnowforitisquitealongtimesincehe__________.

—Shallwegooutingthisweekend?

—Oh,withallthiswork__________,Idon’tknowifI’llhavetimetogoout.

Areyou_________yourclassmateswell?

—Youlookverypale.You__________verytired.—Ididn’tsleepatalllastnight.