Sometimes children are _______ enough to create ______ stories.

Bill opened the door to Harold and ________ him with cries of welcome. [ ]

To enjoy the scenery,Irene would rather spend long hours on the train _______ travel by air.

I’m terribly sorry that I’ve kept you waiting for so long.—______.

I think a computer’s memory is the same as human’s________ . but it’s also very different.