Trắc nghiệm Chuyên đề 4: Reading có đáp án

Many children were made (2)_________ and their schools had to be moved around or lessons sometimes had to (3) after dark to avoid being targeted by heavy bombing.

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Many children were made (2)_________ and their schools had to be moved around or lessons sometimes had to (3)              after dark to avoid being targeted by heavy bombing.

place

take place

be happened

exist

Giải thích

Chọn đáp án C