34. First _______ for homeschoolers, the self-taught learning tutorials are extremely popular.
(A) developing
(B) to develop
(C) develop
(D) developed

答案：登入後查看
統計： A(37), B(6), C(9), D(63), E(0) #678544

詳解 (共 1 筆)

#1446162
原句:The self-taught learning tutorials were first develped for homeschoolers, (now) they are extremely popular (to other people).
分詞構句(主詞相同)

補充:
homeschooler在家自學
self-taught自修的
tutorial個別指導
extremely非常
develop開發、發展、使成長
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