A．Talk to another friend.
B．Take Carla's suggestion.
C．See the same doctor again.
D．Stay in bed until Friday.
参考答案B
解析:
你可能喜欢
A．How to care for precious metals.
B．A standard unit for measuring weight.
C．The value of precious metals.
D．Using the metric system.
A．To check the accuracy of scales.
B．To calculate the density of other metals.
C．To observe changes in the atmosphere.
D．To measure amounts of rainfall.
A．someone spilled water on it.
B．someone lost it.
C．it was made of low quality metal.
D．the standard for measuring had changed.