There _________a book and three pens on my desk just now,but now there is nothing on it. A. had B. were C. was
Have you ever seen China pavilion (展馆)?traditional one indeed.
When I got into the classroom, I found a book ______ on the floor.
If it ______ tomorrow, I will stay at home and do some cleaning.
Scott found_________ difficult to solve the problem.
She asked her teacher_________.