Chuyên đề 2: Thì và sự hòa hợp của thì
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The director will have checked members' attendance _______. A. when the meeting has started B. before the meeting starts C. after the meeting had started D. while the meeting is starting

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The director will have checked members' attendance _______.

when the meeting has started

before the meeting starts

after the meeting had started

while the meeting is starting

Giải thích

Chọn B