完成句子，根据中文意思完成句子。
.妈妈，我的闹钟有问题了。
Mum，______________________with my alarm clock. Could you wake me up tomorrow morning?
. 每天学习英语花费我一小时的时间。
It __________________ one hour to study English every day.
. 我在业余时间里喜欢看《我是歌手》这个节目。                                              In my free time, I ________________ the program I am a singer.
.因为时差，每天观看2014年世界杯足球赛将对中国球迷的健康有害。
Because of time lag, _____________Chinese fans’ health to watch 2014 World Cup in Brazil every day.
.Iphone 手机太贵，没必要买它。
An iphone costs too much money. _______________ to buy it.