---i'm sure Tom will pass the final examination---i think so .he___for it for monthsA.had been preparingB.was preparingC.is preparingD.has been preparing答案为什么是D呢?

I'm sure we will. 改为间接引语.I'm sure,Tom will win the match. Tom will pass the test.I'm sure (合并成一句话) ____ ____ ____ ____ ____ ____ ____. I'm sure they will come. 如何提问 I'm sure we will. Tom says he will give me a new book._________.A.I'm sure of it .B.I'm sure he does.选哪个?...Tom says he will give me a new book._________.A.I'm sure of it .B.I'm sure he does.选哪个?为什么?一定要理由哦. Tom _____ at hom ,but I'm not sure. 一道英语选择:Tom is coming.With him____me,I'm sure I will finish the work on time.Tom is coming.With him____me,I'm sure I will finish the work on time.A helping B to help C helps D helped该选哪个?顺便帮我讲讲有关help的搭配. i'm sure that he will win 同义句 I'm sure you will be very happy i'm sure you will enjoy your new school life. He will return home next week.（I'm sure） I'm sure your Putonghua will ______soon.一个单词 I’m sure he will win the game一般疑问句 I'm sure the a___ will be yes I‘m sure that my father will like it(否定) I'm sure our school sports meet will be_____(excite) sure he like I'm will it 连词组句