二、文法測驗【請在下列各題中選出最適當的答案】34. Morin suggests ___________ a checklist to help you remember what nee
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二、文法測驗【請在下列各題中選出最適當的答案】34. Morin suggests ___________ a checklist to help you remember what needs to go into your backpack before you travel. (A) use (B) using (C) being used (D) by using