She will read 20 pages / 4 = <<20/4=5>>5 pages for English.
She will read 16 pages / 4 = <<16/4=4>>4 pages for Science.
She will read 8 pages / 4 = <<8/4=2>>2 pages for Civics.
She will read 12 pages / 4 = <<12/4=3>>3 pages for Chinese.
Melody will read a total of 5 pages + 4 pages + 2 pages + 3 pages = <<5+4+2+3=14>>14 pages tomorrow.
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