你可能感兴趣的试题
in two weeks for two weeks after two weeks next two weeks
are was is will have been
after a few weeks’ time in a few weeks’ time after a few weeks’ time in a few week’s time
there are more than enough doses of vaccine for all Americans. people will develop full immunity right after two injections. a single injection will not enable people to develop immunity. most people lack prior immunity to the new H1 N1 virus.
Three week’s three-weeks three weeks three-week
/ ; the the ; the / ; an the ；a
though, after one or two weeks past, in one or two week through, in one or two weeks across, in a week or two
Five times a year More than five years In five years After five years
went; was go; come went; will be has gone; will come
two weeks two-weeks two weeks' two week's
14 weeks 15 weeks 20 weeks 19 weeks
week a week weeks in a week
they are six weeks old. they are eight weeks old. they are between six and eight weeks old. they are less than six weeks ol
do，after do，until will，after will，until
solving；in five minutes to solve；in five-minute to solve；after five minutes solving；after five-minutes
14 week 15 week 20 week 19 week
湘公网安备 43130202000226号