We are going to talk about the problem _____ at the last meeting.
. Most pop music is influenced,__________a greater or lesser degree, by the blues.
. —Would you like to join us in the game? —________ , for I have something important to attend to.
. .—The last one________pays the meal. —Agreed!
. I have no idea________is better, so I took of them.
. —Who did you spend last weekend with? —________.