Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.
| A．the; the | B．/;a | C．/; the | D．the; a |
—Shall I tell John about it？
—No, you _____ ,I've told him already.
| A．needn't | B．won't | C．mustn't | D．shouldn't |
_____ is known to all, paper was first made in China.
| A．It | B．That | C．Which | D．As |
We worked all night, _____ for the coming procession.
| A．to prepare | B．preparing | C．prepared | D．was preparing |
—It's a lovely day, isn’t it？
—_____ ？
| A．Yes, it is | B．Yes, is it | C．Yes, isn’t it | D．No, isn’t it |
He asked three of us to help her—John, Mike and _____ .
| A．mine | B．me | C．her | D．him |