—Whats the noise? It sounds as if it comes from upstairs.—________. It must be the windowcleaner wo

The noise made it hard for me to？focus？in work.（)

In some cities of North China, the noise pollution is as pronounced as that in Tokyo.A．con

Whats the news item mainly about？A．Aircraft noise and smoking do harm to people"s health.B

Whats the real meaning of the phrase "in the ring" （Line 6, Para. 3)？A．Getting the ring as

–What’s the noise ? It sounds as if it comes from upstairs. --______ .It must be the w

— Whats the noise? It sounds as if it comes from upstairs. — _____. It must be the window-cleaner w