选择填空,英语.1.i haven’t been here for years.---I don’tthink it i

选择填空,英语.
1.i haven’t been here for years.---I don’tthink it is___.
a.those long ago b.ago those long c.that long ago d.ago that long
2.he looks so old.he must be at least_____.
a.the fifty and the sixty b.fifty and sixty c.fifty or sixty d.the fifty or the sixty
3.it's very warm outside.you'd better____your coat.
a.not to wear b.not wear c.to not wear d.don't wear