【单选题】. Jane has been working for three months without going on holiday . . She should have taken a vacation ,but she couldn’t ____the time.
【判断题】RLC串联电路中,所谓“无功功率”就是物理中无用功对应的功率。
【单选题】Why will Nell come late to the seminar?
A.
She will be in a meeting.
B.
She will be on vacation.
C.
She will have to finish the report.
D.
She will be out of the office.
【单选题】Juliet is not at work. She is taking a______until the end of this week.