Ladies and gentleman, please fasten your safety belts. The plane________. [ ]

_________ we admit that there are still some problems about NMET, we don’t mean that it is of no use

下列各句中，没有语病的一句是(　　)

It’s December 19th tomorrow. Ted will go back to the States on December 20th You mean， he’s going back______

(2013·新课标Ⅱ，10)It was only after he had read the papers________Mr.Gross realized the task before him was extremely difficult to complete.