To understand the grammar of the sentence, you must break it ____into parts.

 David has won the first prize in singing; he is still very excited now and feels________ desire to go to bed.

— Must I turn off the gas after cooking ?

— Of course . You can never be____careful with that .

At times, worrying is a normal, ________ response to a difficult event or situation --- a loved one being injured in an accident, for example.

My mother always gets a bit _________ if we don’t arrive when we say we will.

Bob ran the 100 meters in 9.91 seconds, and I have not seen _________ this year.

 If it is quite _______ to you, I will visit you next Tuesday.

Small cars are ___ of fuel, so they have more appeal for consumers.

I wish you’d do ________ talking and some more work. Thus things will become better.

I hear____ boys in your school like playing football in their spare time, though others prefer basketball.