Krekin means work; blaf means force; drita means ground; and alti means place. Drita means ground, so that rules out choices b and d. Choice c isn't correct because blaf means force. That leaves choice a as the only possible answer.
Brift means the root word mili–; the suffix amint means the same as the English suffix –tant; the root word ufton– means occupy; el means the suffix –ied of occupied; and alene means the suffix –tion. (Because ufton means occupy, choices a, c, and d can be easily ruled out.)
Mallon means blue; pimlmeans light; tifl means berry; and arpan means "rasp" in raspberry. The word piml, which means light, is required for the word lighthouse. That rules out choices a and c. Arpan in choice b means "rasp", so that rules out choice b. That leaves choice d the only possible answer.
Pesl means basketball; ligen means court; strisi means room; olta means placement; and ganti means test. Because strisimeans room, it must be present in the answer, so that rules out choice c. Choices a and d are incorrect because pesl means basketball and olta means placement. That leaves choice b as the only possible answer.
Jalka means happy;moftimeans birthday; hoze means party; mento means good; and gunn means the suffix –ness. We know the answer must include the suffix –ness. The only choice that uses that suffix is choice a.