问题描述：
The workers in that factory wear glasses to __ their eyes __.A.keep;safeB.let ;safeC.let;safely
D.keep;safely
The teacher told us that water __ about three quarters of our earth.A.covers B.coverd Cis coverd D.was covering
The kind of trainers can make him ___ (feel)comfortable during a field trip.
I think it is more impertant to do than __(say)是填say吗?
完成句子：My friend ____________________ the earthquake happened.我的朋友们正在购物,就在那时地震发生了.
D.keep;safely
The teacher told us that water __ about three quarters of our earth.A.covers B.coverd Cis coverd D.was covering
The kind of trainers can make him ___ (feel)comfortable during a field trip.
I think it is more impertant to do than __(say)是填say吗?
完成句子：My friend ____________________ the earthquake happened.我的朋友们正在购物,就在那时地震发生了.
问题解答：
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