I can’t stay up late. I have to go to bed__________11:00.[ ]

The socks are cheap（便宜的）， I’ll________ it.

_______do you visit your grandparents?—Almost once a month.[ ]

Let’s ____. —- Sounds good. I like thrillers.

Last night I called him. ______ 8:30, but he was not in. [ ]