Linda was very sad because her grandmother _______ in hospital last night.

She seems_ happyin her new job since there is nothing troublesome to bother her

给下面语句排序，衔接恰当的一项是（ ）①因为较弱的电磁辐射，也会对人的神经系统与心血管系统产生一定的干扰。②人的大脑和神经会产生微弱的电磁波，当周围电器发出比它强数百万倍的电磁波时，人的神经活动就会受到严重干扰。③即使在不太强的电磁波环境中工作和生活，人也会受到影响。④如果长时间处于这种强电磁波的环境中，人会出现头痛，注意力不集中、嗜睡等症状，强电磁辐射会使心血管疾病加重、神经系统功能失调。

You have failed to do what you toand I’m afraid the teacher will blame you．

Getting rid of bad habits is _____forming a good one [ ]