These animals are all used to their environment,______, they have learned how to live successfully in their habitat．
| A．however | B．for instance | C．what’s more | D．or rather |
You _____only half the price ,how would the seller sell the jacket to you ?
| A．spent | B．paid | C．charged | D．offered |
In the cross-lake swimming race, a boat will be ____in case of an emergency.
| A．standing by | B．turning on | C．getting on | D．running on |
The teacher has a peculiar way of ______her student’s nervousness when then speak English.
| A．breaking down | B．going over | C．taking off | D．giving away |
He_______the book and decided that he wouldn’t buy it.
| A．looked into | B．looked on | C．looked after | D．looked through |
Their water supply has been_______ because of the earthquake.
| A．cut out | B．cut off | C．cut down | D．cut away |