下面各句中加点的成语，使用正确的一项是（ ）

ou find the missing couple in the mountain yesterday— No, but we _______ to get in touch with them ever since.

With the government’s aid, those _____ by the earthquake have moved to the new settlements [ ]

Your tea, please.– Ah, delicious. There must be ______inthe tea.

Would you like to play _______chess with me——Yes, I’d like to, but I have to play _____piano with Lily this afternoon.