She is always the first staff to go to the office and the last to leave，______ I guess is why she is promoted so quickly.

It is said in Australia there is more land than the government knows ____. [ ]

The policeman came up to the house, whose door was open, _____ there for a while, and went in

Teenagers should be allowed______ their own clothes.

Are you still mad at Lana—–No, it’s water under the bridge. I’ve forgotten it.