The melon the Smiths served at dinner would have tasted _____ if it had been put in the fridge for a little while.

Carter was saying all the right things, but his smile was __________, and I knew I couldn't trust him.

The new secretary has written a remarkably _____ report only in a few pages but with all the details.

It is now generally believed that a good teacher should be ______ to his/her students. 

We should do more such exercises in the future, I think, _____ those we did yesterday.