Traffic conditions in Beijing ________ for decades. At first people only complained about jams during rush hours，but today every hour is rush hour.
| A．is worsening | B．have worsened |
| C．have been worsening | D．worsened |
相关试题
May 12th，2008 is a special day，________, I think，that will be remembered by the Chinese forever.
| A．one | B．it | C．which | D．that |
I ______ him in time, otherwise he would have fallen off the bike.
| A．had supported | B．supported | C．have supported | D．Support |
_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
| A．Even if | B． As far as | C．If only | D． So long as |
---How do you think I can make up with Qiong?
---Put aside_____ you disagree and try to find_____ you have in common.
| A．what, what | B．where, what | C．what, whether | D．where, whether |
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