1,He was still smilling when the door opened and his wife

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1,He was still smilling when the door opened and his wife
entered in enter
这道题答案是enter,为什么不能用enter in?
2,The goverment is trying to persuade people to ____ money
save economize
这道题为什么不能用economize
save 也有节约的意思?政府试图呼吁大家存钱!

1.enter本身就含有了“come in”的意思.所以再加上in的话就是含义重复了.
2.save money = economize = 节约钱
这道题和第一题有些像,economize也是本身就带有"save money"的意思了,要么用economize什么都不加,要么用save加上money.

he was still smiling when the door opened and his wife came 新概念英语he was still smiling when the door opened and his wife He was still smiling when the door opened and his wife____/ when the door opened and his wife came in When he opened his door,he found everything in the room was 【the door opened and in he came It was a Saturday in May.When Mrs.Black opened the door and it was a saturday in may .when mrs.dean opened the door and The door opened and() When he woke up,I opened the door.可不可以这样? I had hardly opened the door when he rushed in When jim saw me,he opened the door at once