Smiling doesn't     mean you're happy． Sometimes, it just means that you're strong enough to face problems．

She is fed up with sharing a house with others; ___, she is looking for her own flat. 

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

The little girl couldn’t work the problem out. She wasn’t ____ clever.

That restaurant serves __________ the best food I’ve ever eaten, so I strongly recommend you go there next time.