Moviegoers know that many special effects are created by computers, they often don' tknow is that these scenes still require a lot of work.

Ihaven'tbeentoapopfestivalbeforeandMikehasn't__

Wheneverhecomestoourgarden,hecan’thelp_________theflowers.

Whenever he comes to our garden, he can’t help _________ the flowers.

_isknowntotheworld,MarkTwainwasagreatAmericanwriter.