-If you have time tonight，I’d like to invite you to a ball.
-That’s very nice of you，but are you ____?
| A．free | B．careful | C．serious | D．true |
______ the plan means we must start from the very beginning.
| A．Abandoned | B．Abandoning | C．Being abandoned | D．Having abandoned |
She prepared a great meal to ______ the help of her neighbors in finding her lost little daughter.
| A．express | B．admit | C．explain | D．acknowledge |
.I recommended _____ an English-English dictionary, which I thought would be of great help to her studies.
| A．buying | B．bought | C．to buy | D．he bought |
The police turn the whole house _______ looking for clues.
| A．upside down | B．out front | C．side by side | D．down to earth |
_______ , the girl worked in a hurry.
| A．Having swept the room | B．Another room swept |
| C．Having another room to sweep | D．Having another room to be swept |