……….IS A FUN , EASY AND INEXPENSIVE ACTIVITY . V. CHOOSE THE WOR...

4. - BAI KIEM TRA SO 4 2 DE
BAI KIEM TRA SO 4 2 DE
4. ……….is a fun , easy and inexpensive activity . V. Choose the word whose underlined part that pronounced A. A walking B. Walking C. To walk D. Walkdifferently from the others. ( 1pt)