—I don’t know _______________．
—Don’t mention it． He is always so strange．
| A．what the matter with him | B．what is the matter with him |
| C．what matter with him | D．what the matter is with him |
The number of books in the bookshop is about 10,000 and a number of
them ________ about science.
is B．was C．are D．Were
--- Do you believe that paper is made ________ wood?
—Yes, I do.And you can see that books are made ________ paper.
| A．from; from | B．from; of |
| C．of; from | D．of; of |
It was a ________ day and she felt very ________.
| A．tiring; tired | B．tiring; tiring |
| C．tired; tiring | D．tired; tired |
When I passed the classroom, I heard a girl ________ in it.
| A．sing | B．to sing | C．sang | D．singing |
—Can I walk across the road now, mum?
—No, you ________.You have to wait until the light turns green.
| A．couldn't | B．shouldn't |
| C．mustn't | D．needn't |