___________ Middle School ,my sister Wang Wei and I have dreamed about ________a great bike trip

Would you like to ________ the performance of newlydeveloped energysaving device?— Sorry, but I am not in the position to ________. [ ]

The new invention may __________a lot ofchanges in our daily life.

The lecture mainly deals with the trouble youngchildren have _______ right from wrong

______ a pair of compasses, it is easy to describe a circle