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1 . In the past three years, the homeroom teacher has witnessed many cases of her students ______ by failures.
| A．to be frustrated | B．having been frustrated |
| C．be frustrated | D．frustrated |
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2 . The manager told me that they’d promoted Mike, but he didn’t mention ______ when we talked on the phone.
| A．being promoted | B．to be promoted |
| C．having promoted | D．having been promoted |
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3 . Finally, the middle-aged man admitted the lady’s bag.
| A．to have stolen | B．to steal |
| C．having been stolen | D．having stolen |
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