Put the verbs in the correct form :
1. Listen! I ____ (think) someone ___________ (knock) at the door.
2. We _______ ( not, know) why Sarah is upset, but she __________ ( not, speak) to us for ages.
3. The earth ________ ( circle) the sun once every 365 days.
4. Why ______ you _______ (stare) at me? I suppose you __________ ( not / see) a woman on a motorbike before !
5. How many times _______ you ________ ( see) him since he went he went to Edinburgh?
1, ....think....is knocking...
2, ..don't know..... doesn't speak
3, circles
4, ...do....stare.........don't see ......
5, .....did....see.........
Mik nghĩ thế nếu sai thì sửa nhe