While watching television, _______.
| A．the doorbell rang | B．the doorbell rings |
| C．we heard the doorbell ring | D．we heard the doorbell rings |
One of the sides of the wood board should be painted yellow, and ________.
| A．the other is white | B．another white | C．the other white | D．another is white |
I had just taken a bite of my hot dog ________ I heard a familiar voice yelling at me from across the crowded school yard.
| A．before | B．while | C．since | D．when |
Mr. Xue enjoyed ________ by working in Yangzhou-Taizhou Airport because he always hates ________ while staying alone at home all day long.
| A．itself; that | B．himself; it | C．it; it | D．him; that |
—— Did you have a good time at ________ party last night?
—— Yes. I’ve never been to ______ more exciting one.
| A．the; the | B．the; a | C．不填；the | D．a; a |
When we think of trees at Christmas, there is ________ that immediately springs to mind－the evergreen tree beautifully decorated.
| A．the one | B．that | C．it | D．one |