---Another cup of coffee?That's your third since lunch.---Yeah,well,I____all night preparing for my history exam.I can hardly keep my eyes open.A.stayed up B.have stayed up我搞不懂,不是说现在完成时可以用来表示过去对现在的影

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/19 03:37:51
xUR*W3 efwT2Jڔnf-( "A^>k,qGbz>=)bQ( O:kuW"dq-He-/*D"ښNŠ__"!(x1GYRf?Cef5 xI*e`[(ya7*sDΒrȸSzD[g<=}L(.dax VƻQ3f7^ftk [uw|k;6:xhO!^\Sq\9ņN Q0,T!\㼜Jag"><HnRKbe15.$SüwΎ (Myle Μ }f*Dk$ e"H~un4]xG2YеU>uh*RF'ɺy鰻-h5Ժ=th,i&e9 *W<{I[:? v؀nifK\=ܳ-.8aSe_`>/5ohk`*.t~EZ8%9iCwZflVd\h3x31S~(ƲBQbt=O_,L{qGtEo؏+/EB}'~ uS{zRq,\Ҝݏ#&DCBkew08Θ%/C*霗H|kFƶT{D(f,{Au.:2Jbj,SEMT]f