He has reached present position in his job through elbow grease.

To make clean breast of

A. To gain prominence

B. To praise oneself

C. To confess without of reserve

D. To destroy before it blooms

E. None of these

To keeps one's temper

A. To become hungry

B. To be in good mood

C. To preserve ones energy

D. To be aloof from

E. None of these

To catch a tartar

A. To trap wanted criminal with great difficulty

B. To catch a dangerous person

C. To meet with disaster

D. To deal with a person who is more than one's match

E. None of these

To drive home

A. To find one's roots

B. To return to place of rest

C. Back to original position

D. To emphasise

E. None of these