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¢ñ.complete the sentences with the given words in their suitable forms.(ÓÃËù¸ø´ÊµÄÕýÈ·ÐÎʽÌî¿Õ) £¨10·Ö£©
1£®I think there ________ (be) fewer trees next year.
2. He _____ (collect) 300 pictures since 5 years ago.
3. Sam always ______ (help) his classmates last term.
¢ñ.complete the sentences with the given words in their suitable forms.(ÓÃËù¸ø´ÊµÄÕýÈ·ÐÎʽÌî¿Õ) £¨10·Ö£©
1£®I think there ________ (be) fewer trees next year.
2. He _____ (collect) 300 pictures since 5 years ago.
3. Sam always ______ (help) his classmates last term.

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