______all money supported by his family, some students started to do a part-time job to make ends meet. A. Have spent B. Having spent C. Have been spending D. Have been spent
B. Having spent
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______ for ten hours, the rescue team found the child. A. Searching B. Searched C. Having searched D. Having been searched
C. Having searched
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______ a scholarship, my daughter entered one of the most prestigious universities of the United Kingdom. A. To award B. Being awarded C. Having awarded D. Having been awarded
D. Having been awarded
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______ online for a long time due to the Covid-19 pandemic, most students were very excited to come back to school. A. Have studied B. Having studied C. Have been studied D. Have been studying