【单选题】课文内容:Too many students drink more than they should and do not have a clue about the relationship between working, earning, spending and saving. 问题:What does the expression "do not have a clue about" m...
【简答题】Rewrite the sentences after the model, using the expression "so far". Model: Until now we haven't been informed of the testing date. --So far we haven't been informeed of the testing date. Up to today...