The company has （ ） heavy financial losses over the last two years.

The first textbook（ ） for teaching English as a foreign language came out in the 16th century.

In order to buy her house she had to obtain a_____from the bank.

_____， we went swimming in the river.

Whenever we planned our vacations， mother could always offer some _____ suggestions.

The tall tree, （ ） leaves are darker than those of the other two, is as old as grandpa.

There was a heavy fog this morning, so none of the planes could _____.

The idea sounds very good, but will it work in_____?

The young man still denies _____ the fire behind the store.

Air pollution is obviously one of the major _____ of city life.

Helen was much kinder to her youngest child than she was to the others,（ ） , of course, made the others jealous.

Many teenagers feel no difficulty （ ） computer.