that young babies learn to do things because certain acts lead to awards.
| A．It is widely accepted |
| B．What is widely accepted |
| C．Which is widely accepted |
| D．That is widely accepted |
Jone has put on so much weight recently that his mother has to ____all his trousers to his measure
| A．let out | B．give away. | C．bring in | D．make up |
It’s no long a question now ____men can land on the moon.
| A．that | B．which | C．whether | D．what |
---Jinan Airport,please.I have to get there by 8:00 a.m. ---____, but I’ll do my best.
| A．Out of the question | B．I can’t do that | C．All right | D．I can’t promise |
---Are you satisfied with the result? ---Not a little .It couldn’t be ____.
| A．so good | B．any better | C．so bad | D．any worse |
Now that you have a job ,you should devote yourself to ____you do at work.
| A．whatever | B．no matter what | C．however | D．no matter how |