So absorbed _____ in the experiment that he didn’t even notice it was already over 12 o’clock.
| A．did he | B．he did | C．was he | D．he was |
It was_______ back home after the experiment.
| A．not until midnight did he go |
| B．not until midnight that he went |
| C．until midnight that he didnt go |
| D．until midnight when he didnt go |
She_______ an old friend of hers yesterday while she was shopping at the department store.
| A．turned down | B．came across |
| C．took after | D．dealt with |
Mrs Mavis said the aliens took her away so that they could do research _______ her.
| A．on | B．for | C．about | D．with |
Mr Smith will not be able to attend his sons wedding ceremony, because he_______ an important speech.
| A．will be giving | B．has given |
| C．gives | D．will have given |
---The police have been______ the area for quite a long time.
---I’ve also noticed that. What have they been______?
| A．searching; searching |
| B．searching for; searching |
| C．searching; searching for |
| D．searching for ; searching for |