Please ____ the tree. Can you ____ any apples on it

依次填入下列各句横线处的成语，最恰当的一组是（ ）①正因为李老师对学生的挚诚与关爱，学生才更愿意与她________地交谈，遇到困难时也主动向她寻求帮助。②中美在大数据、云服务等多个方面都需要思想之间的碰撞，面对最为敏感的网络问题，________的探讨才是妥当地解决问题的方式。③只有领导敢于把敏感的、实质性的问题摆在桌面上，不避重就轻，群众才会________，知无不言。

Everyone except the twins ____________ Beijing.—Oh, their mother is ill, so they have to look after her.

I can’t drive a car now, but I_______ ableto do it in 2015.

――Did they offer us enough books?――　_____ than we had expected.