Can you guys help me with these 2 questions from the giver Please I need no scam answers

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

Can someone me answer this english question

Will give branliest and 25 points if answer all quesyions 1. select the correct prefix for the following base word: freeze (against freezing). a. im- b. inter- c. re- d. mis- e. anti- 2. select the correct prefix for the following base word: lock (lock between). a. im- b. inter- c. re- d. mis- e. anti- 3. select the correct prefix for the following base word: behave (behave badly). a. im- b. inter- c. re- d. mis- e. anti- 4. select the correct prefix for the following base word: mature (not mature). a. im- b. inter- c. re- d. mis- e. anti- 5.. select the correct prefix for the following base word: play (play again). a. im- b. inter- c. re- d. mis- e. anti-