Question

19．因為下大雨，他讓我等了兩個小時．
Because of the heavy rain，he kept me waiting for two hours．

Answer 1

分析 he kept me waiting for two hours．

解答 答案：he kept me waiting for two hours．表示的是過去的事情用一般過去時，表示讓某人一直做某事keep sb doing sth，主語he，keep的過去式kept，等待wait，故he kept me waiting，for+一段時間，表示動作持續(xù)了一段時間，故for two hours，故答案是he kept me waiting for two hours．

點評 keep doing 或者 keep on doing 表示不間斷的做某事，保持某一種狀態(tài)
keep sb doing sth 使某人做某事
keep sb from doing sth 阻止某人做某事