Add spaces: 4.Imagescannothaveinanybookpublished,theperiodicmagazine,norhaveobtainedprizeinanyothercompetition.

Answer: 4. Images can not have in any book published, the periodic magazine, nor have obtained prize in any other competition.

Add spaces: Speak!Hindikeepstrackofwhichwordsandphrasesyou'vealreadylearnedandthoseyoustillneedtopractice.

Answer: Speak! Hindi keeps track of which words and phrases you've already learned and those you still need to practice.

Add spaces: Itpreventsthecomputercallingupanearlierversionoftheinfectedfile

Answer:
It prevents the computer calling up an earlier version of the infected file