One way to understand thousands of new words is to gain __________ good knowledge of basic word formation.
C
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Iwantyour_________,sir.Idontknowwhattodo.
Hiswholeschooleducation________only2yearsbecauseofhisillness.
Ourteachersmadeus________alotofhomeworkafterschool.
—Howareyoutoday?—Oh,I__________asillasIdonowforalongtime.
Woodisoften_________paper.
