—___ _? —Yeah, it seemed a little confusing to me at first, but now I get it.
He hurried to the booking office only______ that all the tickets had been sold out.
They urged that the library_______ open during the vacation.
The church clock began to _______ twelve.
-----Is this the first time you______ Chengdu? -----No. But the first time I______ here, the city wasn’t so beautiful
Has the doctor _______ called for?