it is __ to swim in the river in summer.sure it is,look at the sign.it says no swimming
题目
it is __ to swim in the river in summer.sure it is,look at the sign.it says no swimming
funny
exciting
dangerous
diffcult
答案
选 dangerous 危险的.
后文说了 no swimming,禁止游泳.所以看出来是危险的.
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