单项选择题

Yesterday my doctor gave me some tablets. There were five in the box. He told me to take one every half hour. How long did they last

A．They lasted one and a half hours.
B．They lasted 3 hours
C．They lasted 2 hours.
D．They lasted 4 hours.
<上一题 目录 下一题>
热门 试题

单项选择题
Which number is missing from the third circle（）

A．92.
B．93.
C．94.
D．95.
单项选择题
The five rings on the flag are Blue, Black, Red, Yellow and Green. In how many different ways could the rings have been arranged in colour order（）

A．120.
B．100.
C．80.
D．60.
相关试题