14. Water can absorb and give off a lot of heat, thus ________ a stable environment.
| A．creating | B．to creat | C．created | D．being created |
All her time________ experiments, she has no time for films.
| A．devoted to do | B．devoted to doing |
| C．devoting to doing | D．is devoted to doing |
—______ made her ashamed of herself?
—______ the lowest mark in her class.
| A．What; Because she got |
| B．Was it what; Getting |
| C．What was it that; She got |
| D．What was it that; Getting. |
If something such as a product, an activity, or someone’s career______, it suddenly becomes very successful.
| A．takes up | B．takes in |
| C．takes off | D．takes away |
—Your suitcase seems very heavy. Need any help?
—__________.
| A．That all depends! |
| B．No, thanks. I can manage it myself. |
| C．It’s a pleasure. |
| D．It couldn’t be better. Thank you all the same. |
A common memory they all have ______ their school days is the school uniform.
| A．on | B．of | C．to | D．with |