Could anyone please explain this issue to me? Thanks!
As far as I am concerned, It was the year 2007 that Viet Nam joined the World Trade Organization.
Can we use that in this sentence? Or should it be when ?
phuongngan67 Can we use that in this sentence? Yes. phuongngan67 Or should it be when ?
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phuongngan67Can we use that in this sentence?
Yes.
phuongngan67Or should it be when ?
That is also OK.