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

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A walk B the walk C walks D a walk<br/>

A Why B Where C Who D Whose

A I and Tom B Tom and me C me and Tom D Tom and I<br/>

A seem B seemed C does seem D do seem<br/>

A will increase B would be increasing C will have increased D would have been increasing<br/>

A unless B in case C until D so that<br/>

A too B as well C neither D either<br/>

A As B Once C That D It<br/>

A lacking B losing C missing D dropping<br/>