The teacher asked Li Hua ．（ ）
A．why is he late for class
B．why he is late for class
C．why was he late for class
D．why he was late for class
﹣﹣﹣There is nothing left in the fridge，_____？
﹣﹣﹣_____．Let's go to the supermarket to buy some．（ ）
A．is there， YesB．isn't there， Yes
C．is there， NoD．isn't there， No
﹣﹣﹣Were you at home at 9 o'clock last night？
﹣﹣﹣Yes，I a shower at that time．（ ）
A．tookB．was takingC．was takenD．am taking
﹣﹣﹣Peter has made great progress in English recently．
﹣﹣﹣ ． He has been studying so hard these days．（ ）
A．So have heB．So he hasC．So he haveD．So has he
After playing football for more than half an hour， the students took rest．（ ）
A．a few minute'sB．a little minute's
C．a few minutes'D．a little minutes'