It is believed _______ he has gone to Shanghai. The problem is ________ we can’t get in touch with him.
Ralph W. Emerson would always ______ new ideas that occurred to him.
No sooner ________ stepped on the stage than the audience broke into thunderous applause.
— You know, I met my girlfriend’s parents for the first time only yesterday. — ________? I thought you’d met them before.
________ the delayed flight will take off depends much on the weather.
The Scottish girl ________ blue eyes won the first prize in the Fifth Chinese Speech Contest.