— Would you like to ______ the discussion in our classroom?— I’d love to, but I’m ______ busy right now. 

I could hear voices but I couldn’t ______ what they were saying.

In China people believe in the saying “out of debt, out of pressure”; however in the west, it is just the ______ — when you are in debt, you are trustworthy and financially capable.

(2014·福建名校质量检查)I hope the government will take more strict________against the smog that affected several big cities last winter.

Taxi is one of the most common means of city transport, so the increase of taxi _______ in Hangzhou has led to much public concern.