I’d like a mountain bike which ____ well?— Will this one _____?

the secret of nature, the youngscientist has little time for entertainment．

The map is one of the best tools a man has __ he goes to a new place．

____， he never seems able to do the work beautifully.

I’m surprised to hear that Sue and Paul have______.— So am I. They seemed very happy together when I last saw them. [ ]