Luyện ngữ pháp - Destination B1 (Unit 21: Vocabulary - Sending and receiving)



STTTên taskSố câu hỏi
1
1
2
1
3
1
4
1
5
1
6
12
7
8
8
5
9
9
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7
11
6
12
5
13
6
14
6


Unit 20: Grammar - Modals 2: obligation, probability, possibilityReview 7: Units 19, 20 and 21