giúp mình chia động từ ở thì quá khứ đơn hoặc thì hiện tại hoàn thành ----- Nội dung ảnh ----- 14.- _____ (you go) abroad this year? - No, I __________ 15.- The shop is probably closed because they __________ (go, just) for lunch. 16.- When I _____ (be) at primary school I _____ (not like) Maths. 17.- Why does Peter look so sad? - He _____ (lose) his mobile. 18.- Mark Spitz __________ (win) seven Olympic gold medals in 1972. 19.- Why are you crying? Because I __________ (cut) my finger. 20.- When Mary was young, she _____ (love) skiing.