The field research will take Joan and Paul about five months; it will be a long time _____ we meet them again.
| A．after | B．before | C．since | D．when |
She got stuck in a terrible traffic jam on the highway to Shanghai, or she ______ dinner with her family now．
| A．will be having | B．would be having | C．is having | D．was having |
I had a busy and tiring weekend because ______ the house for the Christmas cost me a whole day．
| A．decorating | B．to decorate | C．decorated | D．decorate |
______ children believe they can succeed, they will never become totally confident．
| A．If | B．Since | C．Once | D．Unless |
Napoleon is famously said ______, "When China wakes, it will shake the world．"
| A．to declare | B．declaring | C．to have declared | D．having declared |
I hope there are enough books for each student to have ___________.
| A．it | B．those | C．one | D．them |