The well-known actress last night put on a white tight skirt on purpose to _______ that she was not pregnant(怀孕的).
| A．classify | B．satisfy |
| C．simplify | D．clarify |
It was not until he arrived at the office_____ realized he had forgotten the key.
| A．and he | B．when he | C．that he | D．he |
You can’t imagine _______ when they received those nice Christmas presents.
| A．how they were excited | B．how excited they were |
| C．how excited were they | D．they were excited |
It is difficult for us to _________ a conversation with so much noise around us.
| A．communicate with | B．carry on | C．set up | D．bring up |
____ of the land in my hometown ____
covered with trees and grass.
| A．Two-fifths; is | B．Two-fifth; are | C．Two-fifth; is | D．Two-fifths; are |
I failed again in the examination and only then _____ how much time I had wasted.
| A．I realized | B．I had realized | C．did I realize | D．had I realized |