21£®—I’m afraid I cannot get along well with my new classmates.

       A£®Go ahead                B£®Forget it                 C£®Take it easy           D£®Don’t mention it

22£®Bringing housing prices down to      reasonable level is the short-term target ,but our long-term goal is to build            effective and healthy housing market.

       A£®a ; an                     B£®a ; the                      C£®the ; an                D£®the ; the