The programme was so exciting that the children kept their eyes____ on the screen.
| A．to fix | B．fixed | C．to be fixed | D．fixing |
It was____the old worker came that we____the experiment.
| A．until;didn’t begin | B．not until;began |
| C．until;began | D．not until;didn’tbegin |
____be careful when crossing the street!
| A．Must | B．Should | C．Ought to | D．Do |
___come again.
| A．Do | B．Can | C．May | D．Did |
I____see him yesterday.
| A．really | B．do | C．did | D．does |
Is there any thing else____you want to get ready for the party this evening?
| A．which | B．that | C．who | D．what |