大学英语2阶段作业6系列问题9需给出详细解释9．I_______
9．I________get this done immiately or it will be too late. A. can B. shall C. may D. must
I________get this done immediately or it will be too late. A. can B. shall C. may D. must D 我必须把这仅事情马上做好， 否则就太迟了。 must do必须做某事