The teacher is so kind to us that we all ___ him as our good friend.Which of the following is not suitable?
The Prime Minister refused to comment on the rumor that he had planned to _____.
John _____ knowledge of radio just by staying around the radio station.
The _____ of his clothes indicated too clearly that he had been playing football.
When the entire class worked together they finished the project _____.
Paper making began in China and from there it _____ to North Africa and Europe.