We ____________to each other since we quarreled last time.
A. have never spoken
B. never speak
C. never spoke
D. had never spoken
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Ted _________________ in an accounting department since graduation.
A. worked
B. was working
C. has always worked
D. is working
Robert _______________ two promotions so far.
A. has received
B. was received
C. received
D. would receive
John______________ from Florida State University in 1990.
A. has graduated
B. graduated
C. had graduated
D. was graduated
静脉角
A. 位于锁骨中点的后方
B. 位于胸锁关节的后方
C. 由两侧头臂静脉合成
D. 有浅静脉注入
E. 右侧者有胸导管注入