问题
选择题
The government spokesman has to ________ his words before responding to reporters.
A．pass
B．weigh
C．cover
D．express
答案
答案：B
考查词义辨析。pass 通过，weigh 权衡，衡量，cover 覆盖，express 表达，句意：政府的代言人不得不权衡他说的话在回答记者之前。故选B。
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