MANY SPECIES OF RARE ANIMALS HAVE ALREADY BECOME _____.A. DISAPPEA...

28. - 30 BAI TRAC NGHIEM VOI KEYS FOR 9 P
30 BAI TRAC NGHIEM VOI KEYS FOR 9 P

28. Many species of rare animals have already become _____.

A. disappeared B. dangerous C. extinct D. decayed

A. such difficult B. so difficult C. much difficult D. too difficult