have been done是什麼時態
來源:才華庫 2.94W
It could have been done carefully.
它可能被小心地搜尋過。
But no studies have been done in WOMEN.
但沒有對女人進行的'研究。
The same studies have been done in Asia.
同樣的研究也在亞洲。
It could have been done carefully.
它可能被小心地搜尋過。
But no studies have been done in WOMEN.
但沒有對女人進行的'研究。
The same studies have been done in Asia.
同樣的研究也在亞洲。