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

The maths problem is so difficult that none of them can .

On February 25, 2013, Li An, a Chinese director, won the best director again. It is histime to win an “Oscar”.

The young man went _____ the forest, swam _____the river and came to a small village.[ ]

American women usually identify their best friend as someone ____ they can talk frequently.