单选题 The guest speaker decided to ________ his speech in order to leave enough time for his audience to ask questions.

单选题 Researchers conducted a set of psychological tests to determine the negative consequences of a sleep ________.

单选题 Some parents try to help solve the problems that their sons and daughters have in _____ to their college life.

单选题 In addition to a sense of sight, bees also have an usual sense of smell, so they can _______ more than 10 similar flower odors.

单选题 The lawyer proclaimed that they couldn’t jump to conclusions because acceptable conclusions must be _________ supported by evidence.

单选题 To help the employees become more communicative, the company offered several workshops to those who were not ________ in social interactions.

单选题 Moving forward even in the face of great difficulties has become the most important ______ in my life and career.

单选题 According to the media, China’s wind power capacity has _________ the previous level considerably.