1. "Did someone ring you an hour ago?" Martin said to Susan
→ Martin asked Susan
2. You can't travel on this train if you don't have a reservation.
→ Unless
3. The exam question was so easy that we all got it right.
→ It was such
4. Today isn't Sunday, that's why the pupils can't go to swimming.
→ If
Loga
Sinh Học lớp 12
