The telephone ______ three times in the
问题:
The telephone ______ three times in the last hour, and each time it _____ for my father.
A.had rung; was
B.has been ringing; is
C.rang; has been
D.has rung; was
The telephone ______ three times in the last hour, and each time it _____ for my father.
A.had rung; was
B.has been ringing; is
C.rang; has been
D.has rung; was