11. The students was just about to ________ the questions， when suddenly he found the answer.

A) arrive at B) submit to C) work out D) give up

12. When there are small children around， it is necessary to put bottles of pills out of ________.

A) reach B) hand C) hold D) place

13. The ________ of blood always makes him feel sick.

A) sight B) view C) look D) form

14. In Britain， the best season of the year is probably ________ spring.

A) later B) last C) latter D) late

15. Free medical treatment in this country covers sickness of mind as well as ________ sickness.

A) normal B) regular C) average D) ordinary

11-15 DAADD