完成句子：请根据句子意思和中文提示，用英语把下列句子补充完整。请将答案填写在答卷相应的位置上。（本题共5小题，每小题2分， 共10分）
With the help of the Internet , people can chat with each other__________________（面对面）.
If we don’t protect the rainforests, more and more plants and animals will _____________________（灭绝）.
Mr. Know says he knows everything . ___________（事实上）, he knows little about anything . 
When he  _____________________ （醒来） the next day , it was ten o’clock .
Miss Yang is kind to us and all the students  _________________（把她看作）our friend .