问题
选择题
You can take as many books as you like here for they are free of ________.
A．fare
B．charge
C．money
D．pay
答案
答案：B
fare“运费、车费”； pay“工资、报酬”；charge“费用、收费”，free of charge意为“免费”。故选B。
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You can take as many books as you like here for they are free of ________.
A．fare
B．charge
C．money
D．pay
答案：B
fare“运费、车费”； pay“工资、报酬”；charge“费用、收费”，free of charge意为“免费”。故选B。