为什么选B不选AI'm sure at this time of that day they▁▁into the harbour.A.were proceeding B.has proceededC.will proceed D.be proceeding

（ ）our term will win AI'm sure of BI'm sure to CShe ‘s sure that DShe sure is 这题选c为什么不选b 为什么选B不选AI'm sure at this time of that day they▁▁into the harbour.A.were proceeding B.has proceededC.will proceed D.be proceeding I‘m not sure which classroom ______.A.to attend lecture B.to have lecture at C.to have lecture in D.having lecture in为什么不选D? [-C24] You can only be sure of ______ you have at present; you cann't be sure of Sth.__youmight get in the futur A.that; what B.what; / C.which; that D./ ; that为什么选B不选A? You should have been more patient__that customer;I'm sure that selling him the watch was possibility.A.of B.for C.with D.at 选哪个 为什么? Everyone think the question is sure to -----at tomorrow's meeting.A.go throughB.come upC.set downD.give in请解释为什么选B不选A? She ____ know the answer ,but I'm not sure .A.maybe B.may为什么选B不选A,请详解, -ls Mr.Brown driving here?-l'm not sure.He ______come by train.A.may.B.should为什么选A?选B不可以吗? to be sure和make sure 的区别———that you don't add water into the pot. A.to be sure B.make sure为什么不选A句子结构不对吗? 1.we'd better take the umbrella--i'm sure it (C)when we arrive london:it's always wet there at this time of year A.will rain B.is raining C.will be raining D.would rain为什么不选A2.It remains unknown（A)the peace talk between the two countries i am not sure when the train will arrive.let us go and ------- the time .A.look at B.find C.look for D.find out为什么不选B？ （）that the electricity is turned off and the windows are shut.A Make sure B Making sure 为什么不选B,求详细解答 At （ ）present we are going through a hard time ,but I 'm sure ( ) things will get better in the near future A,the ;the B the ;/ C ,/ ;the D,/ ; /.选什么,为什么 It must be John who is in the office.I'm sure it()be John.Isaw him off at the railway station justtwenty minutes ago.A.won't B.mustn't C.can't D.needn't选哪个?为什么? -I am very worried about tomorrow's test.I'm afraid I can't pass this time.-____!I'm sure you'll make itA.Cheer up B.Come on我选B为什么不可以 为什么选C不选B21.-I’ll do the washing-up.Jack,would you please dothe floor?- A.Yes please B.No,I don’t C.Yes sure D.No,not at all His grades at school are well above _and he is quite sure of his admission to a university.A.common standard B.the normal level C.average D.ordinary为什么不选其他选项? ...I’m sure that your letter will get -- attention拜托了各位 I’m sure that your letter will get -- attention.They know you’re waiting for the reply.A.continued B.immediate C.careful D.general 为什么选B.然后具体说说c为什么不