Victor apologized for __________ to inform me of the change in the plan.
Almost half of China was _______ by the Japanese soldiers from the year 1937 to 1945.
_____ number of foreign guests were invited to the meeting , and _____ total number was over twenty .
Samuel Clemens , ______ Mark Twain , became a famous writer .
--- Betty , welcome to my birthday party . Please make yourself at home .--- ________.
—Is Bob still performing?—I am afraid not. He is said ___ the stage already.