We shall keep an eye ___ this matter.
A: at
B: on
C: to
D: in
A: at
B: on
C: to
D: in
举一反三
- Don't worry about it. We shall _____ an eye to this matter. A: pay B: give C: make D: keep
- --_______ shall we keep in touch?
- We must keep the group ______ knowing about the matter. A: [A] into B: for C: from
- We shall appreciate _____ this matter your serious consideration.
- We should not keep direct eye contact with the customer at an exhibition