They__________on the program for almost one week before I joined them, and now we ________on it as no good results have come out so far.
| A．had been working; are still working | B．had worked; were still working |
| C．have been working; have worked | D．have worked; are still working |
The detective and his assistant have begun to the mysterious murder.
| A．look through | B．look into | C．look over | D．look after |
In Britain today, women 44% of the workforce and nearly half the mothers with children are in paid work.
| A．build up | B．take up | C．make up | D．stand for |
How can he without money for food during the journey?
| A．get together | B．get along | C．get back | D．get down |
You will never all your homework tonight if you don’t fix your attention on it.
| A．get on with | B．get back | C．get in | D．get through |
We must the train being late it always is.
| A．allow for | B．allow of | C．allow to | D．allow with |