______ to use crutches for six months se

题库2022-08-02  18

问题 ______ to use crutches for six months severely limited Mr. Locke's ability to work in the shipping facility.A. HasB. HaveC. HavingD. Has had

选项 A. Has
B. Have
C. Having
D. Has had

答案 C

解析 "______ to use crutches for six months"作句子的主语,所以应该用动名词短语作主语。故本题正确答案为C。
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