语法与词汇

Directions: Fill the blanks with the correct form of the words in the box. You may need to make other changes.

填空题 Some teachers claim that smaller classes give teachers greater opportunities to become _____with their students.

填空题 Doctors discovered the new drug quite by _____, while they were researching something else.

填空题 Broadly speaking, genetic engineering refers to any _____ alteration of an organism’s DNA.

填空题 These companies can afford to hire the most _____ lawyers to represent them.

填空题 The business was built up largely through the _____ of his mother.

填空题 In the _____ of a crash, these added safety features might save your life.

填空题 The escaped prisoners are considered a _____ to society.

填空题 There are _____ millions of children in the world who are starving.

填空题 Journalists should not interview a child in the absence, or without the _____ of a parent orguardian.

填空题 Her _____ that she be allowed to keep the house he was living in went unanswered.