—— Nacy＿＿＿＿＿＿＿＿＿ the letter from her mother.
—— No, she can’t have. The postman hasn’t come yet.
| A．can receive | B．can have received | C．must have received | D．must receive |
The problem puzzled me so much that I stopped for a few seconds to try to_______.
| A．make it over | B．make it off | C．make it up | D．make it out |
You often say that everyone should be equal, and this is ____Ｉdisagree.
| A．why | B．where | C．what | D．how |
He visited the bookstore every week. He became such a____ customer that the bookseller gave him some books as presents.
| A．common | B．normal | C．usual | D．ordinary |
The price of cell phones_______ recently.
| A．has been raised | B．has been risen |
| C．has been fallen behind | D．has been broken down |
We should discuss the possible______ we can take of the present financial crisis.
| A．notice | B．use | C．advantage | D．best |