The young man had decided to give up the chance of studying abroad, ______ surprised his parents a lot.

The authority urged the rebellious party to _____ their arms and come back to the negotiating table.

Harmonious marriage, however, does not necessarily （ ） much sharing of interests and responsibilities.

（ ） is known to all, the earth moves around the sun once a year.

I don’t know whether he is still （ ） in collecting coins. He used to be, but that was several years ago.

My advice is that she （ ） to apologize to him.

My university lies in the north of the city, around （ ） high mountains.

—Are you （ ）? —No, I’m serious.

I gave John a present but he gave me nothing______.

（ ） relatively costly, the engine is highly efficient and needs servicing infrequently.

By the time you arrive in London, we （ ） in Europe for two weeks.

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