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| 共计 4 道试题
1 . Scientists estimate it may be five or ten months ______________ it is possible to test this medicine on human patients.
A.sinceB.afterC.beforeD.when
2021-01-24更新 | 420次组卷 | 1卷引用:上海市上海中学2020-2021学年高二上学期期末英语试题
2 . Tim was happy to take on all the housework ________ his wife went out to work.
A.whileB.untilC.beforeD.since
2021-01-08更新 | 178次组卷 | 1卷引用:黑龙江嫩江市高级中学2020-2021学年高二上学期期末英语试题
3 . — Did you explain it to your boss?
— No. He stormed out of the office______I could get in a word.
A.sinceB.whenC.beforeD.after
2020-12-24更新 | 344次组卷 | 1卷引用:天津市和平区耀华中学2020-2021学年高二上学期第二次阶段检测英语试题
4 . Scientists say it may be a few months ____vaccination(疫苗接种) for the epidemic of COVID-19 is widespread throughout the country.
A.untilB.afterC.beforeD.since
2020-12-07更新 | 112次组卷 | 1卷引用:黑龙江省哈尔滨师范大学附属中学2021届高三上学期期中英语试题
共计 平均难度:一般