The person made the rule after he their leader.
| A.a point;made | 
| B.a point of;was made | 
| C.a point for;was made | 
| D.a point of;made | 
She ________ on her work so much that she didn’t notice that a crowd of people had _______around her.
| A.focused; focused | B.fixed; gathered | 
| C.concentrated; concentrated | D.carried; collected | 
The doctor, ________ by several nurses, successfully performed the difficult operation on the patient.
| A.aided | B.assisted | C.helped | D.guided | 
People tend to live more happily and longer if they are ________ about life.
| A.pessimistic | B.enthusiastic | C.optimistic | D.terrific | 
---How is your mother doing? Is she ________? 
 --Oh, thank you. As a matter of fact, she _______.
| A.looking up; has recovered | B.picking up; is already back on her feet | 
| C.picking out; is well again | D.taking up; has already been back on her feet | 
________ the necessary equipment, the seriously wounded man had to be sent to another hospital for the operation.
| A.lacking | B.Lacking of | C.For lack of | D.Lacking in |