—Flight 331 _____．I'd better be on my way．Goodbye．
—Bye．Happy landing!
| A．is announced | B．is being announced |
| C．is announcing | D．has announced |
相关试题
I'm trying to break the of getting up too late .
| A． | tradition | B． | convenience | C． | habit | D． | leisure |
Being a parent is not always easy, and being the parent of a child with special needs often carries with ___ extra stress. 
| A．it | B．them | C．one | D．him |
____ twice, the postman refused to deliver our letters unless we changed our dog. 
| A．Being bitten | B．Bitten | C．Having bitten | D．To be bitten |
The biggest whale is ___ blue whale, which grows to be about 29 meters long—the height of ___ 9-story building.
| A．the; the | B．a; a | C．a; the | D．the; a |
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