d himself behind the door, _________ he couldhear the steps of his mother clearly

The judge thought that the evidence was not ________ to the case.

Why didn’t you tell me the truth that day?— I ________, but you ________ for Shanghai when I went to see you. [ ]

Though ______ to stop, the ______ speaker kept on talking at the meeting.

Could you please give some _____to the _____teachers