–Many people agree that _______ knowledge of English is _______ must in _______ international trade today.(本题3.0分) A、 a; /;an B、 the;a;the C、 the;a;an D、 a;a;/
参考答案:
—You shouldn.t have chosen that kind of book for m
—You shouldn.t have chosen that kind of book for me. —________(本题3.0分) A、 Oh,don