Don’t forget _____ the door when you leave.
| A．close | B．closing | C．to close | D．closed |
It’s _____ hard problem for the twins that ____ of them can work it out.
| A．so; neither | B．such a; neither | C．so a; neither | D．such a; none |
You ______ to the party if you’re so busy.
| A．don’t need come | B．not need coming |
| C．needn’t come | D．need not to come |
—_____I use your dictionary, Tom?
—Of course, you _______
| A．Can; could | B．Could; can | C．Could; could | D．Can; might |
Simon improved his way of study. ________, he has made great progress.
| A．As a result | B．As usual | C．In other words | D．In all |
—What color is _______ orange?
—It's____ orange.
| A．an, an | B．the, the | C．an / | D．a, / |