填空 16.We ___________ (know) each other since we were young.17.In the past several years,

填空 16.We ___________ (know) each other since we were young.17.In the past several years,
填空
We___________ (know) each other since we were young.
Inthe past several years,Simon __________ (visit) many places of interest.
I__________ (be) a League member for two weeks.
Where is my book?--It_______(be) on the desk an hour ago.
We _____________ (be) goodfriends since 1998.
We ________ just ________ themuseum,it’s very interesting.(visit)
He _______________ (arrive) intwo hours.
His mother _____________(notlet) him play until he finishes his homework.
Who often ___________ (carry)water for your class in the past