The room is empty except for a bookshelf _____ in one corner.
| A．standing | B．to stand | C．stands | D．stood |
— I must apologize for _____ ahead of time.
— That’s all right.
| A．letting you not know | B．not letting you know |
| C．letting you know not | D．letting not you know |
The couple decided to _____ another two children who lost their parents in the disaster.
| A．receive | B．adapt | C．adopt | D．bring |
Being too about your food is not good for your health.
| A．special | B．particular | C．worried | D．mean |
Tom has _____ good knowledge of English and this will improve his chance of finding _____ proper job.
| A．a; the | B．a; a | C．/; a | D．/; the |
In many countries, some scientists are already _______ research in order to produce a cloned human baby.
| A．putting up with | B．coming up with |
| C．putting forward | D．pushing ahead with |