【单选题】What tense should be used to report what was done in experiments?
【判断题】中等收入陷阱现在在世界上存在与很多国家,我国当前已经陷入了中等收入陷阱。( )
【单选题】What tense should be mentioned in a survey report?
【单选题】If you were writing the literature review, and you had a sentence indicating that the statement a scholar makes continues to be true, what tense should you use in the sentence?
【单选题】What aspects should be paid attention to while listening?
【单选题】What tense should be used when findings are stated in the abstract?
D.
present continuous tense