| A．used to be transported/have been built up |
| B．used to being transported/have built up |
| C．was used to be transported/had been built up |
| D．was used to being transported/will be built up |
| A．will not have agreed | B．will not be agreed |
| C．will not agree | D．will not have been agreed |
| A．were repaired | B．would be repaired | C．will have been repaired | D．were being repair |
| 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 |
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