In many people’s opinion, that company, though relatively small, is pleasant ______.
Marco Polo is said to have sailed on ______ Pacific Ocean on his way to Java in ______ thirteenth century.
The other scientists ______ to her ideas with a mixture of criticism and silence.
The country itself didn't have enough gas because of the war,so the government decided to ________ its gas supplies to other countries.
The students all wear the same uniform, so it’s hard for me to ______ my son among them.
Your room is always ______. You should get it tidied.