The flipped classroom paradigm has recently emerged from K-12 education (Ash, 2012).In this sentence, the name Ash is inside the brackets because_________ A: the name of author is part of the formal structure of the sentence. B: the name of author is in the brackets when it is not part of the sentence. C: In-text citations should always be put in the brackets. D: There is only one author in this in-text citation.

put the verbs in brackets into the correct tense.

Complete the following sentences by translating the Chinese in brackets into English.

Choose the correct tense of the verbs in brackets to complete the following sentences.

Complete the sentences with the correct words in brackets.

Rewrite the sentences, using the words in brackets.

Select an appropriate number form in brackets and fill in the blank:Where _____ the shears? (is, are)

Complete the sentence by translating the Chinese in brackets into English, using the expressions below.

Complete the sentence by choosing suitable words in brackets to collocate with the italicized words.

Fill in the blanks in the following passage with the verbs given in brackets in their proper tenses.