We asked John and Jerry, but ____ of them could offer a satisfactory explanation.
| A．either | B．none | C．both | D．neither |
--- The floor is dirty. Can anyone clean it?
--- . I do it all the time.
| A．Don’t mention it. | B．Why you? |
| C．Not sure. | D．Not me again. |
--- What do you think of teaching, Bob?
--- I find it and challenging. It is a job you are doing something serious but interesting.
| A．funny, that | B．fun, that | C．fun, where | D．funny, which |
They were pretty poor but most of their friends were even .
| A．richer | B．badly off | C．worse off | D．well off |
Sometimes we just believe what we see, the reality may be different.
| A．even though | B．as if | C．since | D．unless |
--- Flight 321 . I’d better be on my way. Bye.
--- Bye, Happy landing!
| A．was announced | B．is being announced |
| C．had announced | D．is announced |