Question 39: It takes me 30 minutes _________ every day.
Answer: A. to finish

Question 40: We are not allowed _________.
Answer: A. wear

Question 41: My parents let my sister ________ camping with her friends.
Answer: A. not go

Question 42: Did you manage ________ the book you were looking for?
Answer: A. to find

Question 43: Mr. Thompson is learning Vietnamese ________ read Ken Van K's books.
Answer: B. so as to

Question 44: I determined ________ all my homework today.
Answer: A. to finish

Question 45: He advised them ________ in the class.
Answer: B. not to talk

Question 46: She didn't know whether ________ to her friend's wedding or not.
Answer: B. to come

Question 47: When he lived in the countryside, he ________ the river.
Answer: C. used to

Question 48: Dad promised ________ us to the circus on Sunday.
Answer: A. to take

Question 49: I'm planning ________ my children to the new amusement park this weekend.
Answer: B. to take

Question 50: Let's ________ out to dinner.
Answer: A. go

Question 51: Tom said that he could ________ me with this assignment.
Answer: D. help

Question 52: Mai agreed ________ my old laptop.
Answer: D. to buy

Question 53: His teacher made him ________ for his bad behavior.
Answer: A. buying