A、Work
B、Worked
C、Working
D、To be working
第1题:
A.mice
B.well
C.kind
D.good
第2题:
When William hurried home, he found that his mother ____already ____to hospital.
A、has; been sent
B、had; sent
C、has; sent
D、had; been sent
第3题:
第4题:
A.Has-arelationshipsshouldneverbeencapsulated.
B.Has-arelationshipsshouldbeimplementedusinginheritance.
C.Has-arelationshipscanbeimplementedusinginstancevariables.
D.Is-arelationshipscanbeimplementedusingtheextendskeyword.
E.Is-arelationshipscanbeimplementedusingtheimplementskeyword.
F.Anarrayoracollectioncanbeusedtoimplementaone-to-manyhas-arelationship.
G.TherelationshipbetweenMovieandActressisanexampleofanis-arelationship.
第5题:
第6题:
将一批单词存入一个字符串数组中,例如:{"good","word","work","mean","thank","me","you","or","and"} 进行如下处理: 1) 统计含有子字符串or的单词个数; 2) 统计以字符m开头的单词个数。