The number of books in the bookshop is about 10,000 and a number ofthem ________ about science.is B.was C.are D.Were
The doctor said he ______ any help.
The teacher was very grateful ______ you did.
At the beginning of the class, Miss Liu ______ the exercise books to the students.
--- Where is your uncle? --- He ______ to London. He ______ for over three months.
My sister ______ an English teacher in our school. Now she works in America.