Mike ______ his colleagues when the phone rang.
He __________ a book when the telephone rang.
A bus driver _______________ the safety of his passengers.
The manager urged his staff not to __________the splendid opportunity.
Mike ______ his colleagues when the phone rang.
The girl _____________ the case to the staff when her parents arrived.
A bus driver _______________ the safety of his passengers.
Mike ______ his colleagues when the phone rang.
I ________ a book when the telephone______.
Mike ________ his computer and checked his E-mail.
He __________ a book when the telephone rang.
All the mobile phones must __________ before the meeting begins.
The old man, together with his neighbors, _____ the performance when it began to rain.
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