Can I go down this street?—No. You’d better(最好) go along Bridge Street. The street is too _______ now.

I have been living in London for more than ten years, so I have ________ good knowledge of this city.

I would like to buy the black pen because I ___ that kind of pen ____ well.

When I came here just now, I saw he _______with a black and white dog in the garden.

______ is obvious ______he has finished his work.