选择答案并给出理由
1.I___the incident as if it were yesterday
A.am still to remember B.have still been remembering
C.am being still remembered D.still remember
2.I___swimming in the river and I always___to swim when I can
A.am liking/have gone B.am being liked/am going C.like/go D.have liked/have been going
3.We have sometimes accidents on this line,but no accidents___since kast winter
A.occur B.have occurred C.have been occurring D.are occurring
4.He___on this essay for twenty minutes but he___only a hundred words
A.has been working/has written B.is working/writes
C.has worked/has been writing D.works/is writing
5.Elections___every four years and Congress meets once a year
A.are taken place B.are to be taken place C.took place D.take place