“We can not afford limited progress We need rapid progress,” Ban said at the Third World Climate Conference in Geneva, ______by the World Meteorological Organization (WMO) [ ]

Your bedroom is very dirty. Please________ at once.

156. As is known to all, hard work will _____ in time.

Excuse me. I _________ I was blocking(挡) your way.

The Internet is very useful. We can get a lot of____________ from it.