The PLA soldiers came to the ruins of Yushu and after ______ seemed to be a long time, they helped some victims out.
| A．which | B．that | C．what | D．when |
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—At first ,he felt uncomfortable, but he soon learned to .
| A．fit with | B．fit up | C．fit in | D．fit on |
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| A．entrance | B．entry | C．absence | D．trial |
To qualify yourself for this kind of new job, I recommend that you some online courses.
| A．to take | B．taking | C．take | D．would take |
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