---- Could you tell me something about the boy who helped you just now?
---- Sorry, I know nothing about him, we are _____.
| A．friends | B．neighbors | C．classmates | D．strangers |
We may meet all kinds of difficulties in the future, but we should be confident enough toany challenge.
| A．put on | B．get on |
| C．take on | D．try on |
Millie is quiet and modest and easy________________.
| A．to work | B．work with |
| C．to work with | D．to work with her |
She has finished typing but she doesn’t know _______ next.
| A．what to do | B．how to do |
| C．what should she do | D．how she should do |
The kind teacher devoted all her time she had ___________ her students.
| A．help | B．to help |
| C．helping | D．to helping |
— It’s dangerous to walk across the street carelessly.
— You’re right. We can’t be careful while crossing the street.
| A．so | B．very | C．too | D．more |