回顾性研究( ). A: an extrovert study B: a prospective study C: a retrospective study D: an introvert study

I suggested that you __________ hard. A: studied B: study C: will study D: should be study

What does the author think of the study of English? A: The study of English is excellent preparation for professional life B: The study of English should be business-oriented. C: The study of English is restricting or impractical D: The study of English is highly rewarding and demanding.

It is because English is useful _______. A: why we study it hard B: that we study it hard C: what we study hard D: which we study hard

The study of the rules specifying sentence organization is the study about ____.

Chronemics, the study of time, is to study how people ____ time.

The study of the rules specifying word order is the study about ____.

Language study involves the study of speech sounds, grammar and ______.

It is because English is very useful （） A: what we study hard B: which we study hard C: why we study it hard D: that we study it hard

, or you ll fail the exam. A: Studying hard B: Study hard C: To study hard D: Study hardly