Trắc nghiệm Tiếng Anh Toeic - Part 5 Test (Đề 4)

The economic development summit will be held ____ the Xi'an Trade Tower on September 22 A. to B. at C. down D. of

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The economic development summit will be held ____ the Xi'an Trade Tower on September 22 

to

at

down

of

Giải thích

Chọn đáp án B