____________energy前面是much还是many还是a lot 还是an

____________energy前面是much还是many还是a lot 还是an 很多时间是many time 还是 much time还是 a lot of time,貌似都可以 是much things 还是 a lot things people前面用much还是many eraser前面是加a还是an advice前面是加a还是an Computers can help us a lot. A lot 可以替换成many还是much、more、lots E-mail前面是用a还是an 还是不可数? 是a lot water还是a little water还是a few water还是many water 是give us much information还是a lot information? change后面加a lot 还是much HELP MUCH还是 HELP A LOT