_____ he realized it was too late to return home.
| A．No sooner it grew dark than |
| B．Hardly did it grow dark when |
| C．It was not until dark that |
| D．It was until dark that |
He __________ here on time next Tuesday.
| A．would come | B．will be coming |
| C．has been coming | D．comes |
Whatever they end up doing, they __________ themselves a great deal.
| A．will be teaching | B．will have taught |
| C．are teaching | D．will be taught |
—Do you remember the speech contest tomorrow?
—At this time tomorrow I __________ a talk.
| A．is given | B．will be giving |
| C．have given | D．is giving |
I __________ a meeting at 4 o'clock tomorrow afternoon.
| A．will be having | B．am having |
| C．am going to have | D．have |
—What are you doing, Jack?
— Make a model plane. I __________ it in the science class at 10 o'clock tomorrow morning.
| A．will be showing | B．am going to show |
| C．show | D．showed |