My friend Lucy is always complaining about her job as a teacher, but frankly speaking, it is ______ to have a job in these difficult days.

(单选题)The manager ______ the workers how to improve the program si (单选题)Tony lent me the money ______ that I’d do as much for him. (单选题)100℃ is the temperature ______ which water will boil. (单选题)What is the author’s main purpose in writing the text? (单选题)What causes the loss of biodiversity according to the text? (单选题)How many plant species known to science are at the risk of e (单选题)What does the underlined word “momentous” in Paragraph 2 pro (单选题)What made the swans stay there? (单选题)When did the famer find the swans? (单选题)What is the Project Planet Program trying to do?