His whole school education ________ only 2 years because of his illness.
C
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Ourteacher__________ustopractiseourspokenEnglishasoftenaspossible.
Thecostofthevariousrepairsamounts__________totaltojustoverahundredpounds.
John said he would pay __________ second visit to China __________ next month.
One way to understand thousands of new words is to gain __________ good knowledge of basic word formation.