Not until I dropped off from school ____ how much time I had wasted.
| A．didn't I realize | B．did I realize |
| C．I didn't realize | D．I realized |
Because the shop ______, all the T-shirts are sold at half price .
| A．has closed down | B．closed down | C．is closing down | D．had closed down |
Almost half of China was _______ by the Japanese soldiers from the year 1937 to 1945.
| A．run over | B．taken over | C．pulled over | D．pushed over |
_____ number of foreign guests were invited to the meeting , and _____ total number was over twenty .
| A． A; a | B．The ; / | C．The ; a | D．A ; the |
Samuel Clemens , ______ Mark Twain , became a famous writer .
| A．was known as | B．known as | C．was known for | D．known for |
--- Betty , welcome to my birthday party . Please make yourself at home .
--- ________.
| A．The same to you | B．No , not really | C．Thank you | D．Here you are |