Try ________ she might, Sue couldn’t get the door open.(2011·全国Ⅰ)

Which team do you think ______ the game —-I don’t know! There are still ten minutes before it ends.

We don’t imagine the twins have arrived, _____

Today we have chatting rooms, text messaging and emailing, but we seem ______ the artof municating face to face.

I will go to Guangzhou this summervacation.—__________.