题目

I spoke to my friend in a very 1ow voice     by anybody else．    A．so as not to be heard        B．so as to not to hear    C．so not to hear               D．so as to not be heard   答案：A—Sara，can you tell me how to use this camera?—Read the________ on it.They're not difficult to understand.A. websites B. mailsC. forms D. instructions