Mr. Brook didn’t come back at the usual time last night. ______, he met some friends and stayed out until midnight.

I have got _____ work to do on a ______ cold day.         

There is ____ nothing interesting in his speech.

 ------What do you think of our design for the new car？------Pretty good. But I find theirs is _____ worth considering and studying.

Nowadays the roles of husband and wife are not as   defined as before, especially when both partners work and earn money for the family.