Busy _______ he was, he managed to spare some time to help plan the project.

How about the pollution in the countryside— Luckily, it’s not as serious as _______ in the big cities.

This house is so big and beautiful. I think the rent must be _________as the other one.

The local police were______ by their authorities to _____ the situation as soon as possible.[ ]

With the help of doctors and nurses, his_______ health and strength gradually got better. [ ]