摘要： He wondered if he could slip out of the lecture hall without anyone . A．noticing B．noticed C．to notice D．being noticed
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.He wondered if he could slip out of the lecture hall without anyone______.
|
A．noticing |
B．noticed |
C．to notice |
D．being noticed |
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.He wondered if he could slip out of the lecture hall without anyone______.
| A．noticing | B．noticed | C．to notice | D．being noticed |