The expression “break a leg” means ______.

(单选题)Good teachers ______ the process of professional development (单选题)Generally, teachers’ reflection arises from a classroom ____ (单选题)______ by the content of the program, she thought it not sui (单选题)If uncertain about the meaning of the words while reading, a (单选题)Near the table ______ a poor dog, who desired to satisfy his (单选题)Though in the photos the restaurant looked quite grand, when (单选题)Napoleon is famously said ______, “When China wakes, it will (单选题)The police officers announced that they would conduct a thor (单选题)But for The Belt and Road Initiative introduced in 2013, Chi (单选题)— Congratulations on your success in completing the experime