30. ---- I have some trouble with this problem Could you do me a favour?----- Sorry, you may turn to him He has been ______ and he may know how to solve it(本题2.0分) A、 experience B、 expert C、 skill D、 around
参考答案:
3. He does his work carefully but he is terribly _
3. He does his work carefully but he is terribly _______ it.(本题4.0分) A、 careful