完形填空 It's Sunday and it is a 1 day. People don't stay 2 home. They go to parks and beaches or drive(开车) to the country(乡村)． Now we 3 at the seaside(海边).There 4 lots of people on the beach.  Some 5 . Some are 6 on the sand and bathing(沐浴) 7 the sun Over there a group of men and women  are sitting under a beach umbrella(雨伞). They are 8 and laughing. Not far from them, a little boy  is playing 9 water. The people are really 10 . (     )1. A. sun (     )2. A. in (     )3. A. are (     )4. A. are (     )5. A. are  swimming (     )6. A. lie (     )7. A. und er (     )8. A. say ing (     )9. A. with (     )10.A. relax B .sunning B. at B. come B. is B. swim B. in B. in B. speaking B. at B. relaxing C. suny C. on C. get C. have C. swims C. lying C. on C. talking C.／ C. relaxed D. sunny D. of D. go D. come D. is swimming D. lieing D. over D. telling D. to D. relaxs