Ⅰ.单句语法填空
1．They started off at once in search of the missing girl.
2．Love，joy，hate and fear are all emotions(emotion).
3．My dog is unusually(unusual)fond of chocolate.
4．So I'd like to suggest that the seats at the back be placed higher than those at the front so that everyone can see the screen easily.
5．His father threatened to throw(throw)him out，but he knew it was an empty threat.
6．I was attacked(attack)by a dog when I was a child.
7．Reflecting happiness makes people stir up the love of life.
8．The average output(产量)of the factory is reduced(reduce)to 30 cars a day.
9．The captain of the ship was advised to turn back due to a sudden heavy storm.
