Question

Editing (error)... A)the fruit fly have been studied b) experience by scientists for c) over the century. it was first d) used by a American scientist e) Thomas Morgan in earlier 1990's

Answer 1

a) have---- has
b) experience------ experienced
c). century----- centuries
d) a ----- an
e). early --- earlier

Answer 2

Answer:

extensive. extensively

century. centuries

a. an

the his

for. of

st