It is foolish ____ such a mistake.

A. leaving

B. leave

C. to leave

D. to leaving

A. Taken

B. Taking

C. To take

D. Having taken

A. questioned

B. to be questioned

C. being questioned

D. questioning

A. to have inform

B. having inform

C. to inform

D. informing

A. run

B. running

C to run

D. ran

A. to be living

B. to have lived

C. to have been lived

D. to live

A. such, as

B. so, to

C. such, who are

D. such, as to

A. to be painted

B. painted

C. to paint

D. having been painted

A. to take , having

B. taking, to have

C. to take, to have

D. taking, having

A. angrily pointing

B. and point angrily

C. angrily pointed

D. and angrily pointing