---- _______the door, please.
----Come in please. The door _______.
| A．Be open; opens | B．Be open; is opening |
| C．Open; opens | D．Open; is open |
---- _______the door, please.
----Come in please. The door _______.
| A．Be open; opens | B．Be open; is opening |
| C．Open; opens | D．Open; is open |
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