adj. that you can choose to do or have if you want to
A. optional
B. miserable
C. marine
D. nuclear
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adj. not severe or strong; (of weather)not very cold, and therefore pleasant
A. parallel
B. obvious
C. nuclear
D. mild
v. to give a description of the main facts or points involved in sth.; n. a description of the main facts or points involved in sth.
A. outlet
B. outline
C. outlook
D. margin
adj. not speaking; v. to make the sound of sth., especially a musical instrument, quieter or softer
A. mute
B. mode
C. marble
D. pane
n. a single sheet of glass in a window
A. mist
B. marble
C. pane
D. mayor