The regulation will take ____ in March.So we should make ____ to _英语解答

The regulation will take ____ in March.So we should make ____ to change our existing system.
a.effect……an effort b.effects……efforts c.effects……effort d.effects……effort

人气：176 ℃　时间：2020-04-04 17:19:01

解答

1.take effect 生效；起作用固定搭配
2.make an effort 努力,做出努力也是固定搭配
要记熟