来自董平的问题
Pleasebecarefulwhenyouaredrinkingcoffeeincaseyou________thenewcarpet.A)crashB)polluteC)spotD)stain答案选D,C为什么不可以
Pleasebecarefulwhenyouaredrinkingcoffeeincaseyou________thenewcarpet.
A)crash
B)pollute
C)spot
D)stain
答案选D,C为什么不可以
