Li Ming is said ______ the experiment in the lab, but I can’t find him there.
When I got back home I saw a message pinned to the door _____ “Sorry to miss you; will call later.”
This picture was taken a long time ago. I wonder if you can _____ my father.
Before he went abroad he spent as much time as he _____ English.
I would rather you _____ with us yesterday, but you left.
He was an _____ poet at that time and his _____ poems spread through all the country.