You should never lose your temper with the students; ___, they are only kids.
| A．in all | B．after all | C．at all | D．first of all |
Water can absorb and _______ a lot of heat without big changes in temperature.
| A．give up | B．give out | C．give away | D．give off |
Han Han, a young writer, is famous _______ his novels.
| A．for | B．as | C．to | D．with |
Of all the works Stevenson has written, Treasure Island is probably his _______ work.
| A．well-known | B．more-known | C．most-known | D．best-known |
The reason for their failure, you know, was _______ they didn’t get fully prepared for it.
| A．why | B．whether | C．that | D．what |
John promised his parents he _______ not smoke again, and he has not smoked ever since.
| A．would | B．could | C．should | D．might |