1.C hour (h câm)
2. D /ed/ còn lại /t/
3. A /k/ còn lại / ch/
4. A
2.
1 C learning( enjoy + Ving)
2 B so
3. A go on
4. A haven't you
3.
1. This computer was repaired an hour ago.
2. The pool water is so dirty for us to swim.
4.
1. Nam is interested in watching TV.
2. he wishes he could go to the zoo tomorrow.
3. Hoa is the best student in her class.
4. Would you mind giving me the book?