Some of the students have already learned enough English to _____ a conversation with a native English speaker.

What do you think of being a volunteer, John?—I find it a stressful job but one ___ you can really help people.

_______ joining the English club with me— Good idea.

依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）风来了，荷叶为什么就不能迎风招展谁规定了它的下场非得是宁折不弯风让它欢欣、雨也让它喜悦，荷盘中的一汪水， 你可以说它是无聊，你也可以说这很有趣。

Sorry，I have to ______ now. It’s time for class.—OK，I’ll call back later.