When you make the sacrifice in marriage, the psychologists say, you’re sacrificing not to each other but to ______ in a relationship.

Animals that could not ______ themselves to the changed...

单项选择题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.