Theexpressiononhisfacesuggeste-优题课

The ____ expression on his face suggested that he ____ understand what I said.

A．puzzling, should not

B．puzzled, did not

C．puzzle, was not

D．puzzled, not

科目英语题型单选题难度较易

___ twice, the postman refused to deliver our letters unless we chained our dog.

___ for the breakdown of the school computer network, Alice was in low spirits.

___ with a bill for $5,000, Tom has taken another job during his spare time.

___ with all the difficulties, he never gave up.

___ by the beauty of nature, the girl from London decided to spend another two days on the farm.