---Have you seen____pen? I left it here this morning.---Is it ____black one? I think I saw it somewhere.
—Would you like to go and watch a tennis match this weekend with us? —I'm sorry, but I've got ________ plans.
No progress was made in the trade talk as neither side would accept the conditions of ________.
The manager believes prices will not rise by more than ________ four percent.
Neither side is prepared to talk to ________ unless we can smooth things over between them.(2010·全国Ⅱ)
—Which of the three optional courses did you like best,Joe? —To tell you the truth,I didn't like ________ of them.