问题

I owe my success to Mr. Smith, a teacher from America, ______ help I have greatly improved my oral English.
A:by which
B:by whose
C:with his
D:with whose
B:by whose
C:with his
D:with whose
正确答案是:
同类题型
_______ is reported in the newspaper that talks between the two countries are making progress.
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want to make meatballs.Would you please give me a hand to________the meat? [ ]
What _______ you to get bored with her?— _______was her laziness and unkindness.
How are you today — Oh, I as ill as I do now for a long time.