It was________of Michael to inform us of his delay in case we got worried.
About 110 million people moved to this city. The population is ______ as ten years ago.
If you are ________ about Australian cities, just read the book written by Dr Johnson.
I know that smoking is a bad habit, but I can’t ______ the feeling that I need to smoke.
Dick is over sixty, but he looks young for his age. He is always full of ______.
Nuclear science should be developed to benefit the people ______ harm them.