Sorry, I am too busy now. If Itime, I would certainly go for an outing with you.
| A． | have had | B． | had had | C． | have | D． | had |
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 |
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 |
_____ born in Chicago, the author was famous for his stories about New York.
| A．Since | B．Once | C．When | D．Although |
_____ we stood at the top of the building, the people below were hardly visible.
| A．As | B．Although | C．Unless | D．In spite of |
Scarcely was George Washington in his teens _____ his father died.
| A．than | B．as | C．while | D．when |