Mary and Peter were having a picnic with some friends near a river when Mary shouted, “Look! That's a spaceship up there and it's going to land here.” Frightened by the strange spaceship, _ 61 of the young people got into their cars and drove away as quickly as possible. Peter loved Mary and always stayed close to her. They, more __62 than frightened, watched the spaceship land and saw a door open. When nobody came out, they went to look __63 it. In the center of the floor, there was a pile of food. Peter followed Mary into the spaceship and did not __64 the door close behind him. The temperature fell rapidly and two young people lost their __65 . When they came to, they were __66 to see that they were back by the river again. The spaceship had gone. __67 car was nearby. “What happened?” asked Mary. Peter scratched his head, saying slowly, “Don't ask me. Perhaps we had a __68 . Come on.It's time to go home.” After driving about fifty meters, they found their way blocked by a thick wall made of something like __69 . On the other side of the wall, a few strange beings stopped to look through it and read a notice which, translated into English, said: “New arrivals at the zoo: a pair of __70 inhabitants in their natural surroundings with their house on wheels.” 61. A. both         B. all         C. several       D. most 62. A. tired        B. curious     C. confused      D. astonished 63. A. at           B. for         C. into          D. around 64. A. hear         B. watch       C. let           D. make 65. A. way          B. weight      C. speech        D. consciousness 66. A. pleased      B. disturbed   C. surprised     D. disappointed 67. A. A            B. Another     C. Their         D. No 68. A. game         B. dream       C. mistake       D. problem 69. A. glass        B. stone       C. wood          D. steel 70. A. city         B. space       C. land          D. Earth