You should find a _______ chance to explain everything to your mother, because she’s still angry with you.

下列各句中，加点的成语使用恰当的一句是（ ）

下列各句中，没有语病的一项是

When will the railway station that connects the two cities open— next year. Only two thirds been built.

Did you have a hard time traveling back home?—–Yes, it ______ for four days when I arrived in Guiyang and all the roads______ covered with ice