This is a 30 percent discount for online courses,while successfully registered.
New users of the text will receive a $20 voucher immediately.
1)Basic word order. 2)Sentence structures that are frequently used including declarative sentence, interrogative sentence, imperative sentence and negative sentence with "no" being its indicators. 3)Noun, numeral and classifier that are commonly used. 4)Personal pronoun&demonstrative pronoun. 5)Common expressions used to describe figures and objects. 6)Verbs, adjectives as well as degree adverbs that are frequently used.