为下图选择正确的说明。(前两个小题每个3分,后一个小题4分。)(10分)(A.Put an elastic band.B.Put on the mask.C.Draw a face.
I came _______ my house two days ago .
I cleaned my classroom ___________.
—Who was on duty last Friday﹖—______.
______your father at work the day_____yesterday(前天)﹖
The twins______in Dalian last year. They______here now.