“We’ve missed the train!” “_____, there’ll be another in ten minutes.”
| A．All right | B．Not at all |
| C．Never mind | D．Don’t mention it |
We would rather die than ______ difficulty.
| A．give up to | B．give in to | C．give way to | D．give back to |
Is it true that light travels in a straight line and never ______ it hits something that reflects it.
| A．turns; until | B．bends; unless | C．breaks; when | D．changes; until |
You have to keep on learning if you want to keep ______ with the development of modern science and technology.
| A．peace | B．touch | C．pace | D．connect |
Go about your business your own way. Don’t _____what others think or say.
| A．care for | B．care about | C．care with | D．care of |
It might be very difficult to find the ____ of the information.
| A．cause | B．resource | C．source | D．course |