To make members of a team perform better，the trainer first of all has to know their and weaknesses．
| A．strengths | B．benefits | C．techniques | D．values |
People try to avoid public transportation delays by using their own cars ,and this ______creates further problems .
| A．in short | B．in case | C．in doubt | D．in turn |
The three sisters decided to hold a family party to _______their parents’ silver wedding .
| A．celebrate | B．memorize | C．congratulate | D．welcome |
Usually John would be late for meetings .But this time ,________to my surprise ,he arrived on time .
| A．little | B．much | C．ever | D．even |
There have been several new events ______to the program for the Beijing Olympic Games .
| A．add | B．to add | C．adding | D．added |
Wang Wei had served ______a volunteer for three years before he graduated from college .
| A．as | B．for | C．at | D．in |