羅 俠
——Alison, how long have you beenskating?
——I've been skating for five hours.
[點(diǎn)睛]how long意為“多久”,常用來(lái)詢問(wèn)某一動(dòng)作或狀態(tài)持續(xù)多長(zhǎng)時(shí)間,其答語(yǔ)多為“for+一段時(shí)間”或者“since+過(guò)去時(shí)間點(diǎn)”;how long還有“多長(zhǎng)”的意思,用來(lái)詢問(wèn)某物的長(zhǎng)度。