The history of nursing __ the history of man.
| A.as old as | B.is old than | C.that is as old as | D.is as old as | 
The child was __ immediately after supper.
| A.enough tired to go to bed | B.too tired to go to bed | 
| C.so tired that he went to bed | D.very tired, he went to bed | 
Poor _____ it may be, there is no place like home, _____ you may go.
| A.as; wherever | B.though; whenever | 
| C.in spite of; when | D.that; wherever | 
_____ hard she tries, she can hardly avoid making mistakes in her homework.
| A.Much | B.However | C.As | D.Although | 
More people will eat out in restaurants _____ they do today.
| A.than | B.when | C.while | D.as | 
Helen listened carefully _____ she might discover exactly what she needed.
| A.in that | B.in order that | C.in case | D.even though | 
