Animals that could not ______ themselves to the changed environment perished and those that could survived.

Only hotel guests have the()of using the private beach....

单项选择题Only hotel guests have the()of using the private beach.

The two countries have developed a () relation and incr...

单项选择题The two countries have developed a () relation and increased a great deal in foreign trade.

Housewives who do not go out to work often feel they ar...

单项选择题Housewives who do not go out to work often feel they are not working to their full ().