D
考查强调句的省略形式。该句为强调句的省略形式,完整为 It was on the square _____ we flew kites sometimes that I watched the national flag being raised last Monday morning。
D
考查强调句的省略形式。该句为强调句的省略形式,完整为 It was on the square _____ we flew kites sometimes that I watched the national flag being raised last Monday morning。