Can you tell me ______ with him

Mike came late again. It is _____ of him to keep others waiting.

, have you _____your decayed tooth—Yeah, but it’s terrible I had _____most unpleasanttime at the dentist’s

(2013·咸阳二模)We should keep in mind that the earth is our only home and only by saving the environment________ourselves.

下列句子中不含通假字一项是(　　)