Independence Day is _______ national holiday in the States --- all government employees get _______ day off.
I ______ have been more than six years old when the accident happened.
--Where have you been? --I in the heavy traffic. Otherwise I here earlier.
I forget where I read the article, or I _____ it to you now.
一“It looks as if he were drunk.” “So it does. _____.”
“Mary looks hot and dry” “So _____ you if you had so high a fever.”