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(¡¡¡¡)1.Dolphins are thought to be ________ animals because of their quick ability to learn.

A£®humourous¡¡¡¡                     B£®intelligent

C£®nervous¡¡¡¡                       D£®happy

(¡¡¡¡)2.He hurried to the railway station, only ________the train had left.

A£®to find¡¡¡¡                       B£®found

C£®finding¡¡¡¡                       D£®having found

(¡¡¡¡)3.My parents lent me the money. ________£¬ I couldn't have afforded the trip.

A£®Therefore¡¡¡¡                     B£®Besides

C£®However¡¡¡¡                       D£®Otherwise