[单项选择]There Was a knock at the door. It was the second time someone ______ me that evening.
A. had interrupted
B. would have interrupted
C. to have interrupted
D. to interrupt

[单项选择]There was a second knock at the door. It was the second time I （　） that afternoon.
A. was interrupted
B. was interrupting
C. had interrupted
D. had been interrupted

[单项选择]There Was a knock at the door. It was the second time someone ______ me that evening.


A. had interrupted
B. would have interrupted
C. to have interrupted
D. to interrupt

[单项选择]

At the moment the second plane was slamming into the south tower, President Bush was (1) to the second-graders of Emma E. Booker Elementary in Sarasota FTA. When he arrived at the school he had been whisked (2) a holding room: National Security Advisor Condoleezza Rice needed to (3) to him. But he soon appeared in the classroom and listened (4) as the children went through their reading drill. As he was getting ready to pose (5) pictures with the teachers and kids, chief of staff Andy Card entered the room, walked (6) to the President and whispered in Ms right ear. The President’s face became (7) tense and serious. (8) nodded, Card left and for several minutes the President seemed distracted and somber but then he (9) his interaction with the class. "Really good readers, whew !" he told (10) "These must be six-graders !"
Meanwhile, in the room (11) Bush was scheduled to
A. into
B. for
C. in
D. at