题目

单选题 .1.They are going to have the serviceman ______an electric fan in the office romorrow .A .
单选题 .1.They are going to have the serviceman ______an electric fan in the office romorrow
.A .install B.to install C.to be install D .installed
2.Tom is said ______abrad ,but I don't know what country he studied in .
A .to have studied B .to studied C.to be studying D.to have studying
3.In order to gain a bigger share in the International market ,many staterun companies are striving _____their products more competitive.
A .to make B.makingC.to have made D .having made

提问时间：2020-07-24

答案

1,A.固定句式 have sb do sth
2,A sb is/are said to 句式的现在完成时
3,A strivie to do sth 力争做某事
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