____________you don’t give up，your dreams will come true. 
A. As long as B. As soon as C. As well as
Paul isn’t as ___________ as Sandy. He often makes mistakes in his homework.
A. careless B. more careful C. careful
His grandparents ________ at home on weekends.
A. are .all B. are both C. all are D. both are.
Sam is __________ at Chinese than Jim.
A. good B. well C. better
The boy is too young to himself.
A. look at B. look after C. look on
Eating a lot of vegetables 
good
for your health.
A. am B. is C. are
