He is______join the army.

A. too young to

B. enough young to

C. very young to

D. young enough to

If you are______about other teaching methods, we' II discuss them later.

A. interested

B. curious

C. anxious

D. impressed

Being chased by a dog, Jack jumped______the fence.

A. up

B. over

C. on

D. from

Between you and me, that boy of Mary's was______.

A. as fat as strong

B. fatter than stronger

C. more fat than strong

D. not so fat as strong

Much______my regret, I am unable to accept your kind invitation.

A. to

B. at

C. with

D. by