她邀请了很多参加派对的人,但一半的人没有出现。
She invited a lot of people to the party but ___half of them didn't show up.
我甚至一半时间都不知道她在哪里。
I don't even know where she is ___half of the time.
首先,如果电脑没有被发明,我就不会花半天时间在它前面!
First of all, if the computer hadn't been invented, I wouldn't spend ___half of the day in front of it!