A.lack of | B.the lack of | C.lacks of | D.a lack of |
A.headquarter | B.headline | C.headmaster | D.headache |
A.joy | B.joyful | C.joyless | D.joyness |
A.matter | B.doubt | C.wonder | D.problem |
A.question | B.hesitation | C.delay | D.problem |
A.affect; an effect | B.effect; affect | C.effect; an effect | D.an effect; an effect |
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