______ no doubt that 100 years ago animal testing was cruel but today animals in experiments are very well taken care of.
| A．It is | B．There is | C．This is | D．That is |
I’ve worked with children before, so I know what ______ in my new job.
| A．expected | B．to expect | C．to be expecting | D．expects |
--------Why don’t we take a little break ?
-------- Didn’t we just have ______ ?
| A．it | B．that | C．one | D．this |
The managers discussed the plan that they would like to see _______ the next year.
| A．carry out | B．carrying out | C．carried out | D．to carry out |
_______ production up by 60%, the company has had another excellent year .
| A．As | B．For | C．With | D．Through |
Most animals have little connection with _______ animals _____ different kind unless they kill them for food.
| A．the; a | B．不填; a | C．the; the | D．不填; the |