_isknowntotheworld,MarkTwainwasagreatAmericanwriter.
A、AsHepointedatthenewcarandasked,"___isit?Haveyoueverseenitbefore?"
Moviegoersknowthatmanyspecialeffectsarecreatedbycomputers,theyoftendon'tknowisthatthesescenesstillrequirealotofwork.
Myfatherasked__tohelpwithhiswork.
WhereisDick?Doyouthinkhe’sreachedhomebynow?He_________homeforawhile.
Thistimetomorrow,I________onthebeach,enjoyingthesunshine!
