题型:填空题 —Mary had great fun ______ her day off.—Really? What did she ______?—She went to watch a wonderful dolphin show. [ ]A. in; do B. on; do C. in; did D. on; did 查看答案
题型:填空题 有如下语句序列: int k=0; do k+=5;cout<<'$'; while(k<19); while(k->0) cout<<'*'; 执行上面的语句序列输出字符$和*的个数分别是( )。A.4和20 B.5和20 C.4和21 D.5和21 查看答案