Many of the keyboards have letters missing/gone.为什么一个主动一个被动?

develop a program to calculater the least common multiple of two numbers input from the keyboard 英语翻译Keyboard and Documentation Configure your MacBook Pro with the following keyboard language options along with the language of the included user documentation.Learn more Your MacBook Pro can be configured with the keyboard language options keyboard .. keyboard please use the keyboard是什么意思 A question about keyboard operatorWhere is colon on the keyboard Think of the many many return of the the man of many 翻译：in the age of the keyboard,some people seem to think handwriting lessons are on the way out. 英文 The boy used a keyboard to ----- the window of his new computer game.A.restartB.openC.controlD.print The boy used a keyboard to ----- the window of his new computer game.A.restartB.openC.controlD.print in this age of the keyboard,some people seem to think handwriting lessons are on the way out The keyboard was c_____ to the computer . Java write a program to read an integer,n,from the keyboard and output n row of pascal's triangle. 英语翻译The keyboard ___ ___ ___ typing. There are many_____________(键)on the keyboard How to use the aosp keyboard?