Youcan’timagine__________foolishlyhebehavedattheparty.
A、howNotuntilthegamehadbegun__atthesportsground.
_isknowntotheworld,MarkTwainwasagreatAmericanwriter.
Nowadays little knowledge __ to be a dangerous thing.
Moviegoers know that many special effects are created by computers, they often don' tknow is that these scenes still require a lot of work.
He pointed at the new car and asked, "___ is it? Have you ever seen it before?"
