Tom down his book and down in bed. A. lay; laid B. laid; lay C. lay; lay
He is a ___________ student, and he always listens to the teachers ___________.
---Would you please drive______? My plane is taking off. ----I’d like to, but safety comes first.
-How often do you go to the movies ? -________,but not often.
Why does Liu Tao look all day long?
We __________ used computers many years ago, but now they’re everywhere.