A.The,a
B.A,/
C.A,the
D.An,the
第1题:
A、are…being
B、is…being
C、has…been
D、have…been
第2题:
A、is, to translate
B、has, to translate
C、is, in translating
D、has, in translating
第3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4题:
At last we got the letter we had long () expecting.
A. are
B. were
C. be
D. been
第5题:
A.is
B. was
C.be
D. been
第6题:
He is talking so much about America as if he ____ there.
A、had been
B、has been
C、was
D、been