4. Tom did his homework and then he went to bed.
A. After Tom had done his homework, he went to bed.
B. Having done his homework, Tom went to bed.
C. Doing his homework, Tom went to bed.
D. A and B are correct.
5. Let’s start our journey or we’ll be late.
A. If we start our journey, we’ll be late.
B. Unless we start our journey, we won’t be late.
C. If we don’t start our journey, we’ll be late.
D. We would be late if we didn’t start our journey.
Loga
Sinh Học lớp 12
