阅读下面短文,在空白处填入 1 个适当的单词或括号内单词的正确形式。
Marty is a boy who looks the same as other people but has a muscle disease which sometimes makes him very weak. Not 1. (be) able to climb stairs as quickly as others, he gets out of breath after running just a short way and he has to stop halfway up the stairs and rest 2. he can get to the top, which makes kids make fun of him. He always feels stupid for being a bit behind the others after a long 3. (absent) from school.Although doctors can’t give his disease a name and it’s difficult to know 4. the future will be like, Marty learned to adapt to his disability. His motto is: live one day at a time.
He has a busy life without time to sit around 5. (feel) sorry for himself. Besides writing and computer programming, he goes to the movies as well as football matches with his friends and spends a lot of time with his pets. His ambition is 6. (work) in the computer industry when he grows up.
This is the doctor without _______ help my father couldn’t have defeated the virus.
A.which B.whose C.that D.what
I rarely have an occasion _______ I can spend a whole afternoon with my kids.
A.when B.that C.as D.where
________ is often the case with children, Tom was better by the time the doctor arrived.
A.It B.That C.What D.As
Fully _______ in looking after three small children, she cannot speak to you at the moment.
A.occupied B.being occupied C.occupying D.being occupying
There are some health problems that, if _______ in time, can become bigger ones later on.
A.not treated B.not being treated
C.not to be treated D.not having been treated