D
when引導(dǎo)的是時(shí)間狀語(yǔ)從句,他們11歲時(shí)（過(guò)去的時(shí)間）,因此主句也要用過(guò)去時(shí),表示在過(guò)去的時(shí)間做的動(dòng)作,這里四個(gè)選項(xiàng)只有could是can的過(guò)去式
The twins ____ Chinese when they were eleven.
The twins ____ Chinese when they were eleven.
A.may tell B.can speak C.must say D.could speak
選哪個(gè) 為什么 重點(diǎn)是為什么
A.may tell B.can speak C.must say D.could speak
選哪個(gè) 為什么 重點(diǎn)是為什么
英語(yǔ)人氣：962 ℃時(shí)間：2020-04-15 17:30:59
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