—Because the GPS in the watch can help him to avoid the way.

A. to lose B. lose

C. loses D. losing

—Yes. I work for six hours in a radio station every Saturday.

A. great B. boring C. difficult D. part-time

—It was very good.

A. How B. Where C. Who D. What

A. With pleasure. B. My pleasure

C. Never mind D. It doesn’t matter

A. in air B. by air

C. on air D. for air

A. can B. may C. must D. will

—Certainly, he comes back.

A. before B. as soon as C. until D. unless

A. at time B. on time C. in time D. in the time

A. With B. Because

C. Although D. As

A. a B. an

C. the D. /