9. While Tom ... English to poor children in Phnom Penh last year, he ... up a lot of Cambodian culture.
A. is teaching - picked B. taught - was picking
C. was teaching - picked D. was teaching - was picking
Bạn đang xem 9. - ĐỀ VÀ ĐÁP ÁN TIẾNG ANH KÌ I NĂM HỌC 2016 - 2017