Do you still remember the chicken farm_______ we visited three months ago

－Linyi has changed a lot in the past few years.－Yes. You can see a lot of buildings, trees on ________ sides of the streets.

The song was so sweet. We couldn’t stop__________along.

Humans are polluting the earth day by day, ________, of course, will cause punishment sooner or later.

The meeting has been on for five hours and the plan of our activity is still____.[ ]