A. took on, before B. has taken on, since C. takes on, since D. has been taken on, after
单项选择题—I am afraid the car is （） out of gas. —I think so.
A. getting B. using C. making D. running
单项选择题—I am sorry to put you into so much trouble. —（）
A. That's all right B. All right C. Don't mention it D. Not next time
