Bài X.
1. use => using (be used to + V_ing: quen với ...)
2. ever meet => have ever met (thì HTHT)
3. hasn't => has (vì phía sau có never mang nghĩa phủ định rồi)
4. spoke => had spoke (ước ở quá khứ)
5. because => so
6. attend => attending (tobe fond of + V_ing: thích gì đó)
7. drive => driving (get used to + V_ing: quen với...)
8. spend => spending (look forward to V_ing: mong chờ gì)
9. didn't tell => hadn't tell (ước ở quá khứ)
10. would => will (S + hope + S+ will + V)
