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

It is not uncommon for thereproblems of communication between the old and the young.

You won’t have the chance to succeed when you ______.[ ]

The space is left to let the rail expand when it gets hot, ______?

By the time my mom _____ to our school, all others of my class ______ for home.

My mother is preparing my favorite dishes. Go with me and have a taste, okay ?—___________ and I’ll be glad to meet your parents.