pasado progresivo: was, were 查看更多回答 "Verbo"的近義詞和區別 Q:“pull up” 和“pull out” (verboPhrasal y como se usa el up y out con otras palabras?) 的差別在哪裡? A:Pull up: (a) Pull and move an object up. "My jeans were sliding down, so I pulled them up." ...