The thief fell to the ground, his left foot _____ and blood _____ down from his mouth.
| A．breaking; running | B．broken; running |
| C．breaking; run | D．broken; run |
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Playing with a cell phone, he suddenly ________ the teacher staring at him.
| A．knew of | B．became aware of |
| C．reflected | D．aware for |
.
She seemed ________ the book before, but she said she had never.
| A．to read | B．to have read | C．to be reading | D．reading |
.
________ on the subject for half an hour, Liu Ying suddenly stopped.
| A．To be worked | B．To work |
| C．Having worked | D．Having been worked |
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She offered me practical ________ with my research, for which I would appreciate for my whole life.
| A．conduct | B．certificate | C．admiration | D．assistance |
.
“ Look at him! He behaved ________ nothing had happened”, said Mary.
| A．as if | B．even if | C．if | D．unless |