We've been to china twice ,[]to Korea once
We've been to china twice ,[]to Korea once
jim has been to china twice?
()Browns have been to China twice.
现在完成时中的 twice once等等 是用how long 还是how ofen we have been to c
I've been to Hong Kong twice.划线提问(划线的是twice)
L've been to shanghai twice(对TWICE提问) ( )( ) ( )have you bee
have been 是现在完成进行时的标志,那为什么i have been to korea twice 是现在完成时
I"ve been to
if were near from china to korea
l've been to hong kong (twice)划线部分提问 ()()()have
I've been to Beijing (twice).对括号里的词提问.
将这个句子改为一般疑问句:They’ve been to London twice.