Supply the missing words and give the correct form of the words in parentheses . do not refer to the passage until you finish the exercise 在空白处填上适当的词，并将括号内词的正确形式填上，完成练习后再对照课文，核对你的答案。
2.
B supply the missing words and give the correct form of the words in parentheses . do not refer to the passage until you finish the exercise 在空白处填上适当的词，并将括号内词的正确形式填上，完成练习后再对照课文，核对你的答案。
3.
[ size = 3 ] b supply the missing words and give the correct form of the words in parentheses . do not refer to the passage until you finish the exercise 在空白处填上适当的词，并将括号内词的正确形式填上，完成练习后再对照课文，核对你的答案。
