He _______ a lot of time in trying to develop the education system in this area.
A: involved
B: investigated
C: invested
D: interfered
A: involved
B: investigated
C: invested
D: interfered
举一反三
- 33. He _______<br/>a lot of time in trying to develop the education system in this area. A: involved B: investigated C: invested D: interfered
- He _______ a lot of time in trying to develop the education system in this area.
- He ____ much of his time in learning the new language. A: invested B: involved C: invented D: integrated
- He spent a lot of time ______ learning English. A: in B: on C: with D: to
- The government ______ between the workers and the employers. A: mediated B: reconciled C: interfered D: involved