1IlefthomeforEnglandin2002thefirsttime.AndIhavebeentherethreetimes.Afor,forBfor,/C/,for2Ishedangerordanger?Ain,outBin,outofCout,in3Passmethebooks,two.AatatimeBonceCatonetime4Whohelpedyoucleantheroom

Question

1I left home for England in 2002___the first time.And I have been there___three times.
Afor,forBfor,/C/,for2Is he___danger or___danger?Ain,out B in,out of C out,in
3Pass me the books,two___.Aat a time B once C at one time 4Who helped you clean the room?I __my own.A did on B did it on C helped of 5The workers in this factory work ___10 hours a day.A for up to B up for to C to up 6----Don't forget to post this letter for me,please.----No,I___.Adon't B won't C mustn't

Answer 1

1 B for the first time,可以看作是一个固定词组,而一般说 "几次" 前面不加介词.
2 B in danger,out of danger,是常用的搭配.
3.A at a time,梅一次.而at one time好像只差一个词,意思完全不同：是“一度”的意思.
4 B did 代替动作 clean,这个及物动词后面有宾语 room.答案A 缺宾语 it.
5 A for 表示时间的延续,而up to 表示程度“长达”
6.B 表示我不会忘记的.将来时,表示尚未发生的事情.我将不会忘记的.