The little girl prefers singing（）.

The man stops to take his dog outside to do exercise because（）

A.he doesn’t have enough time.
B.he feels tired of running after his dog.
C.he thinks his dog has mental problems.
D.he treats the dog the way his parents treats him.

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That company doesn’t take credit cards，so customers have to pay （）.

A.dollars
B.finance
C.coins
D.cash

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