____________willyourfrienddoonvacation?[

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问题选择题

____________ will your friend do on vacation?[ ]

A. Where

B. When

C. How

D. What

答案

答案：D

单项选择题

From the anterior wall of rectum, we can palpate the following structures, EXCEPT （）.

A．prostate

B．apex of urinary bladder

C．ampulla of ducts deference

D．neck of uterus

E．seminal vesicle

填空题

牙齿的主要功能是________、_________、_______食物，所以我们应保护好牙齿。