use present perfect or simple past tenses:Theuse present perfect or simple past tenses:The Titanic.(sink) in 1912.
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usepresentperfectorsimplepasttenses:Theusepresentperfectorsimplepasttenses:TheTitanic.(sink)in1912.u
use present perfect or simple past tenses:Theuse present perfect or simple past tenses:The Titanic.(sink) in 1912.
use present perfect or simple past tenses:The
use present perfect or simple past tenses:The Titanic.(sink) in 1912.
use present perfect or simple past tenses:Theuse present perfect or simple past tenses:The Titanic.(sink) in 1912.
sank
Simple past VS.present perfect PS:耀快~Use the simple past of___________________________________________.Use the present perfect for_______________________________________.
present perfect
use present perfect or simple past tenses:Theuse present perfect or simple past tenses:The Titanic.(sink) in 1912.
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