6. The fire alarm went off when smoke rose.
A. exploded B. shouted C. rang D. burned

7. After a short break for tea, they went on working.
A. began B. continued C. delayed D. harrowed

8. The bus .......... up passengers outside the airport.
a. hits b. sends c. lays d. picks

9. After visiting Van Phuc village, they came .......... to their hotel for lunch.
a. at b. up c. down d. back

10. Although he is keen on painting, his parents do not want him to become an artist.
A. crowded with B. afraid of C. fond of D. because of

11. The bomb .......... in a crowded street.
A. went out B. went off C. came off D. came out