— A little bird entered through the open window to join us for dinner last night.
—Wow, the unexpected guest welcomed.
A. will be B. must be C. won’t be D. mustn’t be
— A little bird entered through the open window to join us for dinner last night.
—Wow, the unexpected guest welcomed.
A. will be B. must be C. won’t be D. mustn’t be
B
【解析】
句意：——昨晚一只小鸟从开着的窗户进来和我们一起吃晚饭。——哇，这位不速之客一定很受欢迎。考查情态动词辨析。will将会，用于构成一般将来时态；must一定，表推测；won’t是一般将来时的否定式；mustn’t不要/不能，表示禁止；表推测需用can’t be。根据句意语境，可知本句表推测，需用must，故选B。