29．The young man，who by then admission to university，decided to do some part-time jobs to gain more practical experience．
| A．gained | B．was gaining | C．has gained | D．had gained |
Janet used to take part in labour in that village,_______?
| A．should she |
| B．didn't she |
| C．used she |
| D．did she |
The boy is unlike his mother,_______ he?
| A．is |
| B．isn't |
| C．doesn't |
| D．does |
--- Alice, you feed the bird today,_9?
--- But I fed it yesterday.
| A．do you |
| B．will you |
| C．didn't you |
| D．don't you |
Bill's aim is to inform the viewers that cigarette advertising on TV is illegal, _______?
| A．isn't it |
| B．is it |
| C．isn't he |
| D．is he |
Let's go to the cinema, _______?
| A．shall we |
| B．will you |
| C．will we |
| D．don't we |