61

 concrete , protrude , altogether , detach , extreme

 5

 156

 Toefl

 62

 turbulent , deploy , establish , promote , crude

 5

 172

 Toefl

 63

 ensure , abundant , scrupulous , accomplish , sediment

 5

 212

 Toefl

 64

 innovation , frigid , train , depict , spectrum

 5

 165

 Toefl

 65

 breakdown , stylus , stationary , replenish , govern

 5

 189

 Toefl

 66

 indispensable , apparatus , intrigue , celebrated , subterranean

 5

 229

 Toefl

 67

 drought , debris , meager , lacking , practice

 5

 170

 Toefl

 68

 respond , amplify , descent , rate , uncanny

 5

 152

 Toefl

 69

 desperate , assemble , particular , fairly , emphasize

 5

 199

 Toefl

 70

 integral , string , comprehensive , imbibe , attain

 5

 173

 Toefl