题目内容
4. It's difficult a house like that.
A. to build B. building
C. built D. build
4. A
4. A It's difficult to do sth. “做某事很困难”,故选A。
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题目内容
4. It's difficult a house like that.
A. to build B. building
C. built D. build
4. A It's difficult to do sth. “做某事很困难”,故选A。