问题

What were you doing this time yesterday? — I ______ on the grass and drawing a picture.

A:sit
B:sat
C:am sitting
D:was sitting

正确答案是：

标签： doing , were , what

同类题型

Helen has two sisters and a brother. Her brother is working, but _________her sisters are still at school.

Some Math problems in this book aredifficult for the studentswork out.

What your brother like? —He likes music.

This isapple. It’sbig apple. apple is for you.

How did they come to school today?—Because of the rain they came to school onfoot _____ a bus.[ ]