VIẾT LẠI CÂU CÓ NGHĨA KHÔNG ĐỔI:
1. We couldn't drive because of the fog.
- The fog was .................................
2. The postman was bitten by dog.
- The dog........................................
3. The cake was so hard that I couldn't.
- It was..............................
4.Although his leg was broken, he managed to get out of the car.
-In spite of.............................
5.We didn't go because it rainned
-If...................................................