The workers were on strike, () higher pay and better working conditions.A、requiringB、persistingC、demandingD、insisting
The workers were on strike, () higher pay and better working conditions.
A、requiring
B、persisting
C、demanding
D、insisting
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The _______ the ground is, the _______ the air becomes. A.high...thinnerB.higher...thinC.high...thinD.higher...thinner
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17、英语中，字母p在pay中是清辅音，在spy中是浊辅音。