--Is it OK to take this seat?-- Sorry, _________.A.here you areB.take itC.it's takenD.never mind
--Is it OK to take this seat?
-- Sorry, _________.
A.here you are
B.take it
C.it's taken
D.never mind
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- May I help you, madam? -(). A、Sorry, I have no ideaB、Yes, I know what to buyC、You'd better give me a handD、Yes, I'd like 2 kilos of oranges
- May I help you, madam? - (). A、Sorry, I have no ideaB、Yes, I'd like 2 kilos of orangesC、You'd better give me a hand
Will you show me how to use this software?()A. Sure. You'll master it in no time.B. You are welcome.C. Sorry, I'm too late for it.
---- Sorry, I have to ( )now. It’s time for class.---- OK, I’ll call back later.A. hang upB. break upC. give upD. hold up
—It’s cold today. You’d better _________ your sweater. 学科网 —OK. I will.学科网A. p —It’s cold today. You’d better _________ your sweater.—OK. I will.A. put on B. turn on C. get on
---- Sorry, I have to ______ now. It’s time for class.---- OK, I’ll call back later.A. hang up B. break up C. give up D. hold up
--Sorry, I′m late. --That′ s OK. You′ re here that′ s what____________.A.doesB.worksC.staysD.counts
矩阵A=Array[a,{4,5}],取第1,4两行,2,3,5列元素的子矩阵,使用语句是A.Part[A,{1,4},{2,3,5}]B.Take[A,{1,4},{2,3,5}]C.Part[A,{2,3,5},{1,4}]D.Take[A,{2,3,5},{1,4}]