SYNONYMS - WELCOME TO DERRY ENGLISH WITH MRS. HARR

Synonym: Antonym: inaudible (adj): not able to be heard. Some high-frequency sounds are _____ to even the keenest human ear. Synonym: Antonym: Vocabulary Workshop Practice Unit 5 (#1-10) Completing Sentences: Make sure you use the correct spelling and tense of the word. 1. In recent decades, we were forced to make greater use of our _____ coal ... ................
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