I have a very bad toothache(should then follow) , You should see a dentist immediately, I am always tired in the mornings(shouldn't then follow) , You shouldn't stay up so late, I want to speak english fluently(should then follow) , You should practice speaking every day, This is a "no smokin" area(mustn't then follow) , You mustn't smoke here, The library is a quite place(must then follow) , You must be quite and keep your voice down, It is a secret(mustn't then follow) , You mustn't tell anyone about it, Tomorrow is sunday and there is no school(don't have to then follow) , You dont have to wake up early, In most countries, you want to drive a car(have to then follow) , You have to get a driving license first, The museum is free of charge today(dont have to then follow) , You dont have to pay for the entrance.

Unit 6

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

)
恢復自動保存: ?