28．—Now some parents deny_______to their children，and have become their slaves．
—But this problem does not cause concern of the whole society．
| A．nothing | B．everything | C．something | D．Anything |
The reason__________ their failure you know is they didn't get fully prepared for the experiment.
| A．why.., that | B．that.., why | C．for.., that | D．why.., because |
___________ you've got a chance, you might as well make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |
--Why has he been staying at home these days?
--He ___________ since a month ago.
| A．has been out of work | B．was out of work |
| C．has lost his work | D．had left from his work |
I just don't understand_____________ that prevents so many Americans from being as happy as one might expect.
| A．why it does | B．what it does |
| C．what it is | D．why it is |
The president of the country was well______ of when he was in power.
| A．praised | B．fond | C．appreciated | D．thought |