QUESTION: Fix punctuation: The British undertaking was slow from the start and very soon showed all the signs of second thoughts
ANS: The British undertaking was slow from the start and very soon showed all the signs of second thoughts.

QUESTION: Fix punctuation: I personally love outfit 1 and its princess feel outfit 2 because of the 80s vibe outfit 5 for the perfect print mix and outfit 9 for the perfect silhouette
ANS: I personally love outfit 1 and it's princess feel; outfit 2, because of the 80's vibe; outfit 5 for the perfect print mix; and outfit 9 for the perfect silhouette.

QUESTION: Fix punctuation: With 1 year warranty on the clock
ANS: With 1 year warranty on the clock!

QUESTION: Fix punctuation: With high antigenic variation rates in P falciparum the adhesive phenotype of the cultureadapted parasite might not reflect the original infecting parasite population after prolonged times in culture
ANS:
With high antigenic variation rates in P. falciparum, the adhesive phenotype of the culture-adapted parasite might not reflect the original infecting parasite population after prolonged times in culture.