_______is it the Qmolongma—It’s 8,848 meters. It’ very hard to climb the mountain.

It is a pity that we have to ___________ the school trip because of the rainy days.

It is dangerous for teenagers to give out too muchaboutthemselves on the Internet.

Did I lock the door when I went out— Yes, you did. I saw you _____ it.

ve it or not! I should get my lost wallet backafter I left it in the taxi this morning.—Couldn’t agree more! You know, someone _______ it.There are still good persons in Chongqing.