Question

Kathy opened her mouth, expecting a candy and then looked puzzled______ she got nothing.

A．when

B．although

C．so

D．Once

Answer 1

A

考查連詞。When 當...的時候；although 盡管；so 因此；once 曾經，一旦。
句意為kathy張開嘴巴，想要一塊糖，然后當什么都沒得到的時候看起來很困惑。