ld you like to come to dinner tonight—I’d like to, ___ I’m too busy.

The best selling MBA book ____ economics

Clearly, in a system ______ every decision is made on the basis of tradition alone, it may be difficult to achieve progress [ ]

He and his wife have the same ________; they both want their son to go to college.

I think maths isplaying a more important part in the new test system What aboutyou — ______ We should be more devoted to it