21.
(A) I forget
(B) I forgot
(C) I’m forgetting
(D) I’ve forgotten

17. (On the cell phone) Stacy: Where are you? I can’t see you here at the theater. Greg: _____. I’m just one block away. (A) Nice talking to you (B) I’m coming (C) Hurry up (D) Hope to see you soon

18. Dad: Are you going out? It’s really late now. Mitch: I know, but it’s the last day to buy tickets to the World Cup games, _____ I must go. (A) if (B) or (C) so (D) though

19. Abby: Too bad you couldn’t come to the beach with us. It was so much fun there! You must come next time. Bree: No, thanks. I don’t think _____ any fun. I can’t swim. (A) I was having (B) I’ve had (C) I have (D) I’ll have

20. Below is what Stan drew for his report. It shows the number of students in each club at his school in 2009 and 2010. Which is NOT true? (A) The art clubs have fewer students in 2010 than in 2009. (B) The sports clubs have more students in 2010 than in 2009. (C) The acting club is the most popular club both in 2009 and in 2010. (D) In 2009, the painting club has half the number of students of the paper-cutting club.

22. (A) also (B) finally (C) only (D) still

23. (A) have you had (B) are you having (C) would you have (D) did you have

24. (A) Where does the trash go (B) How do we deal with the trash (C) Where does the trash come from (D) How does the trash arrive in the sea

25. (A) enters seabirds’ and sea animals’ stomachs (B) stops seabirds and sea animals from growing up (C) fills the living space of seabirds and sea animals (D) goes down to the bottom of the sea and never comes up

26. (A) be cleared up (B) come back to us (C) be useful to others (D) get out of our sight

27. What did Jamie plan to do this afternoon? (A) To play sports. (B) To go to a math class. (C) To have tea with Paul. (D) To do homework at home.