﹣﹣﹣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'
﹣﹣﹣Excuse me， I want some books， but I can't find a bookstore here．
﹣﹣﹣I know on my way home． Come with me， please．（ ）
A．oneB．thisC．itD．that
﹣﹣﹣What do you think of the environment in your hometown？
﹣﹣﹣It's Both the air and the water are badly polluted．（ ）
A．not bad
B．as good as before
C．much better than before
D．not as good as before