“It’s a secretPromise no one else would know it”, he lowered his voice and whispered _____no one could overhear it[ ]

The changes are good for people.—__ . I like the present transport but I can’t stand(忍受) the pollution.

Tom , you ______ leave all your clothes on the floor like this!

It takes __________ half an hour ___________ his Chinese homework every day.

Boys and girls , I am sorry to say that I have   ___    to tell you .