Look at the trouble I am in! _______I had followedyour advice.

观察下面4个选项,从中选出不同类的选项。1. black2.A. Ee B.

Over the past half century, ________ chemical fertilizers has become very common in farming.

The generous donation from China to the sufferers in the killing Indian Ocean Quake-tsunami has ____ the Chinese people’s unselfishness and internationalism.

_ I didn’t do homework yesterday，___________