Only when the war was over _______ return to his hometowns．
| A．have the soldiers | B．the soldiers |
| C．the soldiers did | D．did the soldiers |
29. A good teacher should leave some time for the students to _________ the knowledge.
| A．introduce | B．receive | C．digest | D．Accept |
28. There is no doubt that a small child has to learn to keep its _________ before it can walk far.
| A．strength | B．peace | C．energy | D．Balance |
27. The reason why Daisy eats so little is that she is _________ a diet and she is trying to _______ weight.
| A．on; put on | B．on; lose | C．in; reduce | D．in; put down |
26. －Hello, Mr. Wang. Must we wear the school uniform tomorrow?
－You ___________. Only on Mondays. Tomorrow is Tuesday.
| A．don’t have to | B．mustn’t | C．have to | D．Must |
25. The Curies were ___________ the Nobel Prize for their great contributions to science.
| A．awarded | B．rewarded | C．sent | D．Provided |