It was the order that all the soldiers ________to the front.
| A．should send | B．must be sent |
| C．be sent | D．must go |
29. --- Do you know that man?
--- Not really, just a nodding _______.
| A．acquaintance | B．participant | C．relation | D．frequent |
28. Please remember___wins you respect is not your background but your knowledge and virtues.
| A．that | B．what | C．which | D．where |
27. I find it astonishing that she _____ treat you like this in public.
| A．should | B．must | C．may | D．would |
26. Their work ______, all the experts went out for relaxation.
| A．to complete | B．completing | C．completed | D．had been completed |
25. Willie has complained to the sales manager about the PC he bought _____ screen exploded for no reason.
| A．which | B．where | C．whose | D．when |