单项选择 较易0.85 引用2 组卷278
We have reached a stage ________ we must start taking effective measures to protect the environment so as to save ourselves.
A.when | B.why | C.that | D.where |
22-23高一上·河南郑州·期中
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It’s helpful to put children in a situation______ they can see themselves differently.
A.when | B.which | C.that | D.where |
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