ex 16
Oh,I already saw it twice.
Did you ever meet someone famous?
How long ago did you start painting?
I recently completed a painting.
ex 17
Since I rode a bicycle for the first time,I never got bored of it.
I saved some money for a new phone.
Yesterday I visited my friends.
Inever went to China.
On Thursday,I will go to my grandparent's house.
