她邀请了很多参加派对的人,但其中一半没有露面。
She invited a lot of people to the party but ___half of them didn't turn up.
我甚至不知道她大部分时间在哪里。
I don't even know where she is ___half of the time.
首先,如果电脑没有被发明,我就不会花大半天时间在它面前!
First of all, if [the] computer hadn't been invented, I wouldn't spend ___half of the day in front of it!