瘘管是
A. 皮肤黏膜浅层坏死形成的缺损
B. 皮肤黏膜的较深层坏死形成的缺损
C. 肺结核干酪样坏死经支气管咳出形成的缺损
D. 腕关节结核干酪样坏死穿破皮肤形成盲端管道
E. 连接体表和空腔脏器的管道
Without his wartime experiences, Hemingway _____ his famous novel A Farewell to Arms.
A. Didn't write
B. hadn't written
C. wouldn't write
D. wouldn't have written
If we ____ a table earlier, we couldn't be standign here in a queue.
A. have booked
B. booked
C. book
D. had booked
---- Do you think George has passed the drivign test?---- No. If so, he _____ his car to our college yesterday?
A. would drive
B. drove
C. would have driven
D. had driven