—The room is so dirty, _____ we clean it?
—Of course.
| A．will | B．shall | C．would | D．do |
She removed hat she was wearing and tried on _____ black silk one.
| A．a; a | B．the; the | C．the; a | D．a; the |
Our car broke down suddenly and the heavy rain our helplessness.
| A．made out | B．led to | C．turned out | D．added to |
—Have you seen Jack recently?
—No. He for another company now.
| A．is working | B．had worked | C．worked | D．was working |
We asked both Tonny and Jerry, but could offer any help.
| A．either | B．all | C．none | D．neither |
children believe they can succeed, they will never become totally independent.
| A．If | B．Though | C．Unless | D．When |