_________ you may have, you should gather your courage to face the challenge.
Although he has become wealthy, Mr. Wood remains _______ he used to be, modest and friendly.
Modern plastics can _________ very high and very low temperatures.
---What does PM2.5 mean?--- It’s a professional ______ indicating the condition of air pollution.
--- How are things going, Janet?--- They have set out to deal with the present situation ______ they think deserves their immediate attention.
--- Do you have the time?--- Yes. But... my watch is not very __________.