Below each of the following incomplete sentences are two expressions. Complete each sentence by choosing the expression that is parallel in form with an expression that is already a part of the sentence. Tsetse flies feed by piercing the skin with their mouthparts and . a. to suck the blood of animals and humans b. sucking the blood of animals and humans Please select the best answer from the choices provided A B

Acquiring english is a way of learning where you learn english by birth, this includes listening to your parents, brothers and sisters and on the whole learning it from the environment around you while mastering standard english need qualified institutes and teachers who make certain programs and syllabus to you master the standard english. this also can include a long session of academic studies before you can master the standard english.standard english is necessary for literary works, official usage and writing materials for standardized publications or when someone needs to speak publicly. in most cases the employers of a company also demand and like the use of standard english from their employees. 

For example. if i walk 10 feet north then go 20 feet east that would be a displacement of around 15 feet