1. We came back to England a year ago.

2. I haven't seen him for one month.

3. Because Hoa watched TV late last night, she went to school late this morning.

4. Although it was foggy, he drove to work.

5. In spite of the muddy streets, the children walk to school.

Giải thích:

- Chuyển đổi từ thì quá khứ đơn sang hiện tại hoàn thành ( và ngược lại)It's+ thời gian+ since+ S+ last+ V( QKĐ).....-> S+ has/ have not PII+ for+ khoảng thời gian.

- Because + Mệnh đề= Because of+ N/ N phr/ Ving

- Although+ Mệnh đề= In spite of+ N? N phr/ Ving

1.We came back to England a year ago.

2.I haven't sêen him for one month.

3.Because Hoa watched Tv last night,she went to school late this morning.

4.Although he ís foggy,he drove to work.

5.In spite òf the muddy street,the children walk to school.