单选题 The teacher emphasized the importance of regular practice

单选题 He is always the first to arrive and the last to leave

单选题 In the U.S., the female spend two more hours on social media than the male do every week 

单选题 The success of the project depended on reamwork.

单选题 They completed the activity according to the teacher’s instruction

单选题 She couldn’t  help laughing when she heard the joke.

单选题 Everything we expected came true

单选题 The teachr’s  passion for teaching inspired her students