A. before B. after C. since D. while
A. receive B. received C. receiving D. receiver
A. educate B. education C. educational D. educated
A. completed B. was completed C. was completing D. completes
A. general B. generally C. generation D. generate
A. interested B. interest C. interests D. interesting
A. comfortable B. excellent C. challenging D. effective
A. if B. unless C. since D. when
A. guess B. to guess C. guessing D. guessed
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