The fire spread through the hotel very quickly but everyone ____ get out .
| A．had to | B．would | C．could | D．was able to |
I have already forgotten ______ you bought the computer.
| A．that it was when | B．that it was what |
| C．what it was that | D．when it was that |
With five professional hands ______ them next month, these students are sure to complete the experiment on time.
| A．helping | B．help |
| C．to helping | D．to help |
_______ is announced in today’s newspaper, we have launched another man-made satellite.
| A．That | B．Which |
| C．As | D．What |
No sooner ______ the room than we realized we to take our books.
| A．had we left ; forget | B．we had left ; forget |
| C．we had left ; forgot | D．had we left;forgot |
When you’re learning to play the piano, _______ a good teacher makes a big difference.
| A．have | B．having |
| C．and have | D．if have |