1.The book recommended by the teacher is popular with us.
2.We can make progress in English as long as we have enough patience and perseverance.
3.So devoted is the young scientist to his research that he goes to bed very late every night.
4.When faced with various choices, people tend to try hard to make a decision.
5.The library named after its donators regularly invites famous people to give lectures, attracting many citizens to participate in them.