Cho dạng đúng của từ trong ngoặc

1. I (learn) English for seven years now.
 

2. But last year I (not/ work) hard enough for English, that's why my marks (not/ be) really that good then.
 

3. As I (pass/ want) my English exam successfully next year, I (study) harder this term.
 

4. During my last summer holidays, my parents (send) me on a language course to London.
 

5. It (be) great and I (think) I (learn) a lot.