推 hsuan790910:Not only倒裝 12/26 10:17
→ BLUEMILTON:Not only 助 S V...... 12/26 10:37
推 theyangist:A means that trees do other things. 12/27 01:56
→ theyangist:B means that other things provide shade and beauty. 12/27 01:57
Not only _____ shade and beauty, buy they also reduce carbon dioxide.
A. do trees provide
B. trees provide
C. provide trees
D. do provide trees
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the answer is A, but why is not B??
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