XiaoYun，the ________ child was just born.His two elder sisters are at school.（ ）
A．youngerB．youngestC．older
The tree is so high that I reach the apples on it．（ ）
A．can'tB．mustn'tC．shouldn'tD．needn't
I feel very ． May I have a cake？
Sure， you may take one from the fridge．（ ）
A．braveB．thirstyC．fullD．hungry
Lily， where is my dog？
Look! It under the bed．（ ）
A．sleptB．was sleeping
C．is sleepingD．will sleep
Take it easy! The work _____ is very easy．
You can do it very well．（ ）
A．itselfB．myselfC．yourselfD．oneself
There is egg on the table． Would you like to have it？
No， thanks．（ ）
A．/B．anC．aD．the