Without enough evidence, the man could not _____ himself to be innocent(无辜的 ) . [ ]

下列各句中，没有语病的一项（ ）

Mary felt quite ______ from the outside world, because she couldn’t get access to the Internet and couldn’t receive any e-mail.

What the suspect said was completely what the witness said[ ]

I know you’re busy these days, but you’d better___________ off today’s work till tomorrow.