常見例句B: She ’s been skat ing for five hours. (她滑了 (到現(xiàn)在有) 五個(gè)小時(shí)了。)A: How long have you been skat ing ? (你 (到現(xiàn)在已經(jīng)) 滑了有多長(zhǎng)時(shí)間了?A:How long have you been skat ing ? (你(到現(xiàn)在已經(jīng))滑了有多長(zhǎng)時(shí)間了?)A: How long has Alison been skat ing ? (Alison (人名) 滑冰滑了 (到現(xiàn)在有) 多長(zhǎng)時(shí)間?)B: I ’ve been skat ing since I was seven years old. (我從七歲就滑冰了。In 1872, Walt Skat began to sell food out of A wagon pull by a house. 1872年,沃爾特.;斯科特開始在一輛馬拉的四輪貨車上賣食物。 返回 skat