根据下列句子及所给汉语注释，写出空缺处单词的正确形式，每空一词。
小题1:We can get lots of ______________（信息）on the Internet.
小题2:When we drive cars, we must drive _______________（小心地）.
小题3:If my arm _________ （触摸）the wall, I have to wash it again.
小题4:Mr. Liu _______(挑选) one of the pens and left quietly.
小题5:In order to know more about China, Jim always read old Chinese ___________（谚语）.
