You have made a few mistakes in your composition but______, it’s well written[ ]

______useful advice we had in the meeting last week!

It seems that living green is ________ easy and affordable A small step makes a big difference

Linda used ______long hair. Now she has short hair.

The commemoration of 70th anniversary of war victory(战争胜利70周年纪念活动) held on September 3, 2015 _________ us all to remember the past and love peace.