| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| spectrum 1 english book pdf editions | 0.52 | 0.9 | 6302 | 16 |
| spectrum 1 english book pdf summary | 1.96 | 0.3 | 6554 | 27 |
| spectrum english book pdf free download | 1.28 | 0.5 | 6582 | 64 |
| spectrum 1 english book pdf answer key | 1.92 | 0.9 | 6397 | 34 |
| spectrum 1 english workbook | 0.71 | 0.4 | 8675 | 8 |
| spectrum book pdf download | 0.92 | 0.1 | 9656 | 97 |
| spectrum pdf download in english | 0.8 | 1 | 5978 | 33 |
| spectrum 1 english review | 0.98 | 0.5 | 9445 | 94 |
| spectrum latest edition pdf | 0.35 | 0.9 | 7651 | 35 |
| spectrum latest edition pdf download | 1.16 | 0.8 | 7569 | 3 |
