in后面加什么詞性的動(dòng)詞

　　There have been many changes in recent years.

　　近幾年發(fā)生了許多變化。

　　In our company, quality is high on the agenda.

　　我們公司高度重視質(zhì)量。

　　There is no difference between the two in quantitative terms.

　　兩者在數(shù)量上毫無差別。

　　The new test should aid in the early detection of the disease.

　　新的化驗(yàn)應(yīng)該有助于早早檢查出這種疾病。

　　She's in New York researching her new book.

　　她在紐約為她的新書搜集材料。