He always helps others without ________ twice.
| A．to think | B．think | C．thinking | D．thinks |
Sam is __________ at Chinese than Jim.
A. good B. well C. better
The boy is too young tohimself.
A. look at B. look after C. look on
Eating a lot of vegetablesgood for your health.
A. am B. is C. are
My father often tells me some jokes to make me_________.
A. laugh B . to laughC. laughing
I haveto tell you, children. Please keep quiet.
A. important everythingB. nothing important C.something important