我国山脉纵横交织构成了大地的骨架，山脉与山脉之间镶嵌这高原、盆地和平原，共同构成祖国的大好河山。读图4，完成下列问题
—Tell me something about your adventure in the rainforest, please.
— We lost our way in the forest and ___ made matters worse was ___ night began to fall.
