1. In many aspects natural clones, such as identical twins, do not d____ greatly from man-made ones. 2. He was c____ down when the procedure he had used to produce a mammal clone ended in failure. 3. Dust will a__________ in a deserted house. 4. Her memory is so excellent that she could remember the e____ names of the side roads we passed on the way.
iffer
ast
ccumulate
xact