You’d better _________ to the old like that, it’s ________.
| A．not to speak ; polite | B．not speak; polite |
| C．not speak; impolite | D．not to speak;impolite |
My father told me _______.
| A．when he will travel to Singapore | B．how he finds his purse |
| C．where he had spent his holidays | D．why did he visit Hangzhou |
Scientists from different countries are trying to_______ a good way to solve the energy problem.
| A．keep up with | B．come up with | C．catch up with | D．meet up with |
Detective Lu thought that ________ Xie Yiming ________ Wang Gang were likely to kidnap Guan Fei, Guan Dawei’s son.
| A．either, or | B．both, and | C．neither, nor | D．not only, but also. |
With a record of more than 90 goals in 2012, Messi is considered as the_______ football player in the world.
| A．successfully | B．successful | C．most successfully | D．most successful |
----Where is Tom now, Millie?
----I saw him _______ in the street a moment ago and I told him _________.
| A．playing; don’t do so | B．playing; not to do so |
| C．play; to do so | D．play; don’t do so |