By the middle of August, a national campaign was underway ________ drunken drivers.
I have bought two ballpens, _______ writes well.
John got beaten in the game, _______ had been expected.
Is _______ some German friends visited last week?
The clever boy made a hole in the wall, _______ he could see _____ was going on inside house.
-What shall we have for dinner tonight? -Oh,I don’t care. ____. It’s your job to come up with the menu,so get on with it.