Chủ đề:

Luyện tập tổng hợp

Câu hỏi:

I. Give the correct form or tense of the verbs in brackets.

1. When she (come), I (read) upstairs.

2. Water (boil) at 100 degree Celcius and (freeze) at 0 degree celcius.

3. The last time I (have) my hair cut (be) six months ago.