| A．be broken into | B．was broken into | C．had broken into | D．had been broken into |
| A．Hardly would he reach school |
| B．Hardly had he reached school |
| C．Hardly he reached school |
| D．Hardly he was reaching school |
| A．would be | B．was | C．had been | D．was being |
| A．will be sitting | B．would be sitting | C．will have been sitting | D．would have been sitting |
| A．have been invited | B．am being invited | C．had been invited | D．shall be invited |
| A．shall have finished to work | B．shall finish to work |
| C．shall have finished working | D．shall finish working |
| A．have taken | B．take | C．be taken | D．be taking |
| A．has just made | B．is just being made | C．has just been made | D．is just made |
| A．have | B．are having | C．have been had | D．have been having |
| A．would stay | B．will stay | C．have been staying | D．will be staying |
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