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
My father often tells me some jokes to make me_________.
A. laugh B . to laugh C. laughing
I
have to tell you,
children. Please keep quiet.
A. important everything B. nothing important C.something important
