浙大远程英语基础在线作业9-16(15)

D yourselves

单选题 39.【第12单元】 Look, there is an ______ tree by the wall.

A apple B apple's C apples' D apples

单选题 40.【第12单元】I found ______ difficult to work together with him.

A it B its C that D those

单选题

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