7. He is now engaged in a probe into the ________ of matters.
举一反三
- 7. A: He is a person of a high goal. B: He works as a football player. C: He always prays faithfully. D: He is now studying in college.
- We are now engaged in a great and most __________ cause, never undertaken by our forefathers.
- The woman _____________he is engaged comes from Poland.
- We are now engaged in a great and most ________ (glory) cause, never undertaken by our forefathers.
- He is engaged ______ a customer at the moment. A: in B: on C: to D: with