—I have too much housework to do at home.—______ you ask your husband for help?
Tom has been in the factory _________he left school.
We didn't begin our group discussion ______ every member came.
—Why didn't you come and buy the new book with me yesterday?—Sorry, I ______ at that moment.
—Do you like watching The Voice of China on TV?—Sure. It's nice. But I ______ Sports News.
All the countries agreed to ______ an organization to help those kids left homeless in the earthquake.