Emi has her textbooks in her _________.
A notebook
B laptop
C backpack
D blackboard
Emi has her textbooks in her _________.
A notebook
B laptop
C backpack
D blackboard
A teacher B laptop C blackboard D platformJanfinishedtheassignmentonher_________
Dave takes notes down in a _____ A notebook B clock C projector D websiteDavetak
We can talk to someone who is far away by _ A.laptop B.printer C.projectorD.phon
[单选题]25. The notebook is ________.A. Ken'sB. myC. Eli'sD. our
[单选题]4. —Where is my backpack?—_________A. Yes, it isB. No, it isn’tC. It's not your backpackD. It ' s not there
________ cleans the blackboard should be praised.A. ThatB. WhoC. The one whoD. T
[主观题]I ________(需要)my notebook.
[主观题](luck), John got back the notebook that he had lost at the cafe.
= a,b,c,d . 由表-|||-a b c d-|||-a a b c d-|||-·b b d a c-|||-c c a b d-|||-d d c
设A=(a,b,c,d) ,A上二元运算如下: * a b c d a b c d a b c d b c d a c d a b d a b c 那么代数系统