求解英语单选题

求解英语单选题
1.It's no good ____ remember grammatical rules.You need to practice what you have learned.
[A] trying to
[B] try to
[C] to try to
[D] that try to
2.I reckon the election will result in another victory for the government,____?
[A] don't I
[B] doesn't it
[C] won't I
[D] won't it
3.His eyesight must be poor,for,as he reads,he bends down ____ his face is quite near the printed page.
[A] unless
[B] until
[C] since
[D] as if
4.Pressed for further details,the chairman confessed ____ that profits would show a further fall.
[A] such being likely
[B] that being likely
[C] they to be likely
[D] it to be likely
5.Such problems ____ air pollution and heavy traffic are becoming more and more serious in almost every big city all over the world.
[A] on
[B] as
[C] for
[D] of