HOW DID YOU OFTEN MAKE A CONTACT WITH EACH OTHER

4- - 3 DE THI HK 2 ANH LOP 11 3 DE THI THU HK II LOP 11 NH 20132014 TU LUAN
3 DE THI HK 2 ANH LOP 11 3 DE THI THU HK II LOP 11 NH 20132014 TU LUAN

4-How did you often make a contact with each other?

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V-Circle one underlined word or phrases that must be changed in order for the sentence to be correct: