完形填空.拜托给出答案时讲一下相关知识点,越细越好,

完形填空.拜托给出答案时讲一下相关知识点,越细越好,
Jim is a little boy.He (1) with his grandma in the countryside.
He likes sweets and cakes.He always eats food (2) sweets in it before he goes to bed.And when he gets up in the morning,he can (3) some cakes in his room.
One morning,(4)Jim got up,his grandma took some cakes to his bedroom.But she saw Jim (5) in bed.
"What's the matter,dear?"his grandma asked him.
"I have a bad toothache." he said.
(6) his grandma had to take him to the dentist.The dentist examined him and then pulled out the bad (7) for him at last.
Two days later,Jim felt (8) and went to school again,Mrs Hunt asked,"What was the matter with you,Jim?"
"I had a bad toothache,Madam,"answered Jim.
"Oh,I'm (9) to hear that," said Mrs.Hunt."Is it better now?"
"I don't know,Madam.The dentist (10) it away."
1.A.keeps B.stays C.studies D.sleeps
2.A.with B.and C.or D.of
3.A.look B.cook C.find D.buy
4.A.after B.ago C.before D.until
5.A.resting B.crying C.reading D.eating
6.A.so B.but C.because D.if
7.A.cake B.tooth C.leg D.arm
8.A.good B.relaxed C.well D.tired
9.A.excited B.angry C.sorry D.happy
10.A.took B.let C.made D.got