1.Vegetable and fruits are often r_____ to as natural food.
2.A gentleman b_____ well towards others and can be trusted to keep his promises.
3.When the kitchen is finished I'm going to f______ my attention on the garden and get that sorted out.
4.There has been an i____ in the interest of food safety.
6.I was c______ about the question and I didn't understand it unitl I asked my teacher.
7.Could you give me a quick e______ of how it works?
8.The Natural History Museum is a s____ place for kids.
9.At the end of the debate,the teacher should make some c_____ on students' work.
10.He spent a year in the jungle,o______ how different animals are getting along with each other.