摘要：13．John knocked at the door for nearly five minutes his wife opened it． A．when B．before C．until D．while
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John knocked at the door for nearly five minutes ________ his wife opened it．
[ ]
A．when
B．before
C．until
D．as
John knocked at the door for nearly five minutes____his wife opened it.
|
A．when |
B．before |
C．until |
D．as |
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John knocked at the door for nearly five minutes____his wife opened it.
| A．when | B．before | C．until | D．as |