It is the fourth time that she ________you in a week.
| A．rings | B．has rung | C．has been ringing | D．is ringing |
On October 1st everyone in China holds fun activities _______ the birthday of the People’s Republic of China.
| A．celebrating | B．memorizing |
| C．favoring | D．announcing |
In my opinion, ______ we’re home for the holidays, it doesn’t mean we should spend all our time watching TV.
| A．as though | B．even if |
| C．ever since | D．in case |
Zhang Ming has an unusual view of Chinese traditions because he was _____ in America.
| A．grown up | B．brought up |
| C．put up | D．picked up |
It was quite ____ accident that I met him; he was homeless and ___ rags at that time.
| A．by; in | B．on; in |
| C．at; by | D．in; in |
—Is the letter from your mother?
—Yes.But she ________the letter herself，because she doesn’t even know one word.
| A．needn’t have written | B．can’t have written |
| C．might not have written | D．should not have written |