Some special projects are ________ to protect ourenvironment, so we may be _____ to having a clean and beautiful home in thenear future.

sful people have some good qualitiesand above all, they are never ________ a simple life so they keep fightinguntil they are top ones．

It is suggested that medicine should not be kept where it is __________ to little children.

ould say sorry to her, Tom— ______, but it’s not going to be easy

This time I want to do ____________.