Swimming is an a_____;I enjoy it very much

The alarm clock is an a____ invention. her mother is an a____ teacher. The holiday is also an a____ festival 首字母填空 What an a____ book it is!应该填什么? xi an is an a____ city It has a long history it is an excellent time for swimming.请详解. Swimming is an a_____;I enjoy it very much swimming in an open river is —— （danger） but I don't like it because an a____ is usually far away from the city i an a____(collect).this is my____(collect) of model cars谁会? That tabie come from Tang Dynasty.It is an a____ table 3.Take care when you are swimming a____ the river. she is a____ very happy My father is a____(teach) she takes an a____ (积极的)part in all kinds of activitiesShe takes an a____ (积极的)part in all kinds of activities.The report is very d____(乏味的) ,I think. There is an 80-metres-long swimming pool in his dream home改错 We all think swimming is( )great fun A.a B./ C.an D.the There is a____.Her name is Linda.