điền vào chỗ trống. Giúp em với e cần gấp ạ

b. has told (lose) three pairs so far and I a. told 6 Apparently, he a. is knowing them since he was a child. b. has known c. has been knowing Exercise 2: Put the verbs in brackets into the Present Perfect Simple, the Present Perfect Continuous or the Past Simple. 1. Jack: I think 1 (l ...