It is （ ） impossible to work with this noise around.

When Mary paid the bill, she was given a _____ for her money.

Such problems （ ） air pollution and traffic jams are becoming more and more serious in some big cities.

He made another wonderful discovery, （ ） of great importance to science.

The price of fish is （ ） during the Spring Festival.

—Do you like the material? —Yes, it （ ） very soft.

It’s vital that enough money_____collected to get the project started.

_____ breaks the law will be punished sooner or later.

You （ ） read the article if you don’t want to.

—Where is my cell phone? I can’t find it. —Well, you ______ have put it somewhere.

Many students thought about the third question for quite a while and had great difficulty answering it. Obviously, it was _____ all.

The two boys had so _____ in common that they soon became good friends.