I think that's unlikely to happen, but if that ______ occur, both America's and China's interest would be severely damaged.
| A．should | B．could | C．would | D．might |
In the Olympic Games all athletes should play fair ________ the rules, but some often take drugs to accomplish their aims.
| A．with | B．for | C．against | D．by |
Love is ________ Mummy sees Daddy smelly and sweaty and still says he is more handsome than David Beckham.
| A．that | B．how | C．when | D．since |
Mandela, devoted all his life to the freedom of South African Blacks, is a real fighter for us to ________.
| A．live up to | B．come up to | C．make up to | D．look up to |
Tom concluded his lecture ________ that he couldn’t emphasize enough how important our efforts were.
| A．to say | B．saying | C．said | D．having said |
My mother is the type of woman who suspects that a late night call or a surprise invitation is a ________ of bad news.
| A．symptom | B．solution | C．subject | D．sign |