The terrorists（恐怖分子）in Xinjiang ______ last month.

— Why is your bedroom so dirty?
— Sorry, Mum. It ___________. I felt very tired after playing soccer.

– Can you tell me how to make fruit salad?
--Sure, Please watch carefully and you will see how it ______.

– Will you go to the party?
– Of course I will if I ______.
A. am invited                   B. was invited              C. will be invited

The boy ______ home by the police last Sunday.

—Listen! Someone ____________ on the street.
—Singing? He is crying.
A. is singing          B. sing                C. sings

—____ your sister know Lucy?
—No, she ____.

A young man                at 8 p.m. last Sunday.

I didn’t know when he _____ back. He said he would call me when he _____ home.

—Excuse me, Mum. When can we have dinner?
—Not until it   in half an hour.