26. The French restaurant is very popular, so if we would like to have dinner there, we need to
make a ________.
(A) reservation (B) explanation (C) conversation (D) protection
30. The number of the newborn babies in the country this year has _____ ten thousand, the lowest
of the past ten years.
(A) replied (B) explained (C) arrived (D) reached
31. The old lady’s pet cat became her closest ________ after her retirement from journalism.
(A) component (B) consonant (C) companion (D) constitution
32. Since global warming poses a huge _______ to the ecosystem, we should try our best to
protect the environment.
(A) threat (B) contrast (C) necessity (D) gap
44. A: Could you show me how to get to the museum?
B: ______ Just go down the street and turn left at the next traffic lights.
(A) Great. (B) Certainly. (C) No way. (D) Of course not.