V. Put the verbs in brackets into the correct tense or form.
5. Mark _____________ (be) to Sa Pa twice. The first time _____________ (be) more than ten years ago.
6. How often _____________ (you/ do) household chores? ~ Every day.
7. Twenty years ago, most people around the world _____________ (not know) what the Internet was.
VII. There is one mistake in each sentence. Find and correct It
3. I can write with my right hand. I’m left-handed.
4. Using a lot of plastic bags are bad for the environment.
Loga
Sinh Học lớp 12
