—Please go on with your demonstration．
—But where was I?
—Well, you the two chemicals together．
A. tried to mix
B. were trying to mix
C. were trying mixed
D. had tried to mix
—Please go on with your demonstration—But where was I?—Well, youthe two chemicals togethe
答案:2 悬赏:50 手机版
解决时间 2021-03-22 03:51
- 提问者网友：原来太熟悉了会陌生
- 2021-03-21 12:18
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- 五星知识达人网友：夜风逐马
- 2021-03-21 13:42
A. tried to mix(答案→)B. were trying to mixC. were trying mixedD. had tried to mix解析：根据句意是：--请继续你的演示。---到哪儿啦？---你想把两种化学物质混合起来。说明是刚才正在做…,用过去进行时。选B。
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- 1楼网友：一叶十三刺
- 2021-03-21 14:05
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