题目内容：

1.Chinese,English,and Maths are required subjects ____ in high schools.
A.be taught B.being taught C.teaching D.having been taught
2.How little Franz regretted the days ____ playing in the woods and fields
A.which wasted B.wasted C.having wasted D.which is wasted
3.______ for the coming examinations ,I have no time for the film.
A.Not preparing B.to preparing C.Having not prepared D.Not having prepared
4._____ their life,ours is much better.
A.Comparing with B.Compared with C.To compare with D.Comparing to
5.If ____ heavily,the game had to be delayed.
A.was snowing B.snowing C.snowed D.had snowed