It would be unfair to clone any extinctanimalsthey were to live in azoo.

If he shouldn’t have been so ____ about his food, he would be healthier now.

Pleasant music is often played_____classes to make students refreshed and relaxed for a while

When a person wants to operate the computer, _____ read instructions first

Lawrence’s novel was rejected at first, but it latercame to be ______ as a work of genius.