题目内容
--- Flight MU257 ______, I must be off now.
--- Have a nice trip.
- A.is being announced
- B.has announced
- C.was announcing
- D.had been announced
A
本题考查时态。根据语境I must be off now 可知,MU257航班正在被播报,故用现在进行时的被动语态,故选A。
本题考查时态。根据语境I must be off now 可知,MU257航班正在被播报,故用现在进行时的被动语态,故选A。
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