ne sont pas là : il manque deux ou trois personnes.
A.
Tout
B.
Toute
C.
Tous
D.
Toutes
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参考答案:
举一反三
【单选题】听力原文:The simplest way to lower your energy bills is to use less energy, and White Star Energy can help you do that. Simply call and speak to a White Star Energy expert to schedule a free home energy a...
A.
They are free of charge.
B.
They are offered once a year.
C.
They will be discontinued soon.
D.
They will become available at the end of the year.