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--Do you plant trees in spring?

--Yes．Many trees           in our city every year．

A．are planting                          B．are planted                           C．were planted

—Do you plant trees in spring, Mike?
—Yes. Many trees ________ in our city every year.

—Do you plant trees in spring, Mike?

—Yes. Many trees ________ in our city every year.

A．plant             B．are planting        C．have planted       D．are planted

—Tree Planting Day is coming. Do you plant trees in spring?

—Yes, many trees _______ in our city every year.

A． are planting           B．are planted          C． were planted

--Tree Planting Day is coming. Do you plant trees in spring?
---Yes, many trees ________ in our city every year.