每句有一处错误，请按以下要求改错：
错误：把某词改为某词。写为：某词---某词。例如: was--were
增加：在某词后加某词。写为：某词后加某词。例如：by后加the
删除：去掉多余的词。写为：去掉某词。例如：去掉a
71. Does your mother take a walk after supper as usually?
72. The film is basing on the novel by Simpson.
73. It is such a nice weather that I’d like to work outdoors.
74. Along the way children dressing in long wool coats stopped to look at us.
75. In fifteen terrible seconds a large city lay in ruin.
76. Once he has decided to do something, he’ll never give up no matter hard it is.
77. I am concerning about your present study.
78. At one point we were so high that we found us cycling through clouds.
79. Wang Wei soon got Dao Wei and Yu Hang interesting in cycling too.
80. It was because of the bad weather which the football match had to be cut off.
71. Does your mother take a walk after supper as usually? (usually---usual)
72. The film is basing on the novel by Simpson. (basing---based)
73. It is such a nice weather that I’d like to work out outdoors. ( 去掉a )
74. Along the way children dressing in long wool coats stopped to look at us. (dressing -dressed)
75. In fifteen terrible seconds a large city lay in ruin. (ruin---ruins)
76. Once he has decided to do something, he’ll never give up no matter hard it is.
(matter 后加how)
77. I am concerning about your present study. (concerning ---concerned)
78. At one point we were so high that we found us cycling through clouds. (us ---ourselves)
79. Wang Wei soon got Dao Wei and Yu Hang interesting in cycling too.
(interesting ---interested)
80. It was because of the bad weather which the football match had to be cut off.
(which ---that)
