Some researchers believe that there is no doubt ________ a cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |
-----Why can’t you answer my question? I gave you some tips just now.
-----Sorry. I ______a magazine.
| A．read | B．had read | C．was reading | D．am reading |
_______ in the leg made it impossible for him to walk home.
| A．Injured | B．Having injured | C．To be injured | D．Being injured |
The parade went_______ the streets to celebrate the traditional festival.
| A．across | B．by | C．through | D．towards |
When _______cruel man was hurting the children, there were no adults around who were able to stop______ hurting.
| A．the, the | B．the, 不填 | C．a,不填 | D．a, a |
His invention ______ of no use by the scientists of that time．
| A．considered being | B．considered to be |
| C．was considered to be | D．was considered being |