It Is Important for Students to Learn How to Read

It is important for students to learn how to read in their first language before English because:

A) studies have shown children's native-language proficiency to be a strong predictor of progress in English.
B) personal factors affecting second-language acquisition can be resolved during the period of acquiring the first language.
C) students need to be literate in at least one language before they can be taught.
D) student need to be taught the structure of language using the first language for the complexities of grammar and syntax to be understandable.