A． revealedB． exposedC． engagedD． involved

【C5】A．consumedB．conductedC．engagedD．attracted

A．involvingB．involvedC．involve

【25】A．liesB．combinesC．touchesD．involves

【C11】A．devotedB．takenC．engagedD．fixed

【C8】A．involvedB．investigatedC．engagedD．experienced

Fossils are the evidence of past life______in the rocks of the Earths crust.A．revealedB．pr