3. We couldn’t drive because of the fog.
`=>` The fog prevented us from driving
- Cấu trúc: S + prevent + SO + from + Ving
Dịch: Sương mù ngăn chúng tôi lái xe.
4. The cake was so hard so I couldn’t cut it.
`=>` It was such a hard cake that I couldn't cut it.
- Cấu trúc: It + be + such + (a/an) + adj + N + that + S + V
Dịch: Đó là một chiếc bánh cứng đến nỗi tôi không thể cắt.