When we hurried to the theatre, the concert ______ for five minutes.
| A．had been on | B．had begun | C．had begun on | D．began |
相关试题
The sign on the left tells us that _______ .
A. this is a place for us to swim
B. it’s safe to swim in this place
C. swimming is not allowed here
Could you tell me ______?
A. what is your job B. what your job is C. your job is what
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