They _______ a meeting when the earthquake happened.
| A．had | B．would have |
| C．were having | D．are having |
32. I______him a lift to his house, but he ________ with thanks.
| A．offered; answered | B．offered; declined |
| C．have offered; has declined | D．presented; answered |
31. Hurry up! By the time we get to the church, the marriage service _____.
| A．had started | B．will have started | C．has started | D．must have started |
30. John has recovered and _________ 3 kilos since he left hospital last month.
| A．put up | B．put down | C．put away | D．put on |
29. Only ____ did she realize the stress he was_____.
| A．then; under | B．when; on | C．when; at | D．then; with |
28. ____, he sometimes makes mistakes.
| A．Though he is careful teacher | B．As he is careful |
| C．A careful teacher as he is | D．Being a careful teacher |