—You may find the key to the math problem on page 107.
—Ah, it’s so simple. I wonder why I _____ of that.
| A．hadn’t thought | B．haven’t thought | C．didn’t think | D．wasn’t thinking |
Little joy can equal __________ of a surprising ending when you read stories.
| A．that | B．those |
| C．any | D．some |
— There is still a copy of the book in the library. Will you go and borrow __________?
— No, I’d rather buy __________ in the bookstore.
| A．it; one | B．one; one |
| C．one; it | D．it; it |
“I heard they went skiing in the mountains last winter.” “It _________ true because there was little snow there.”
| A．may not be | B．won’t be | C．couldn’t be | D．mustn’t be |
“Is John coming by train?” “He should, but he _________ not. He likes driving his car.”
| A．must | B．can | C．need | D．may |
You _________ pay too much attention to your reading skill, as it is so important.
| A．cannot | B．shouldn’t | C．mustn’t | D．needn’t |