— Can you come to a party on Saturday, Peter? — Oh, ______I'm already going out, I'm afraid. A. what a pity! B. don't ask! B. C. how come? D. so what?
Of course, all students want to increase their knowledge, but I believe that most students today want that knowledge to be _______ to their future career.
Many nations have promised to reduce greenhouse gas emissions, but are falling short of the _______ reduction of 25 to 40 percent of 1990 levels.
Office _______ is just something that he plays at; the one thing that really interests him is golf.
The manager looked around the meeting room and said,“_____ everybody has arrived, let’s begin our meeting.”
----- Aren’t you tired of practising playing the piano day after day? ------ _______, I enjoy every minute of it.