To those scientists, it still remains to be a question ______ man can go back to the old days with time machine.
| A．if | B．that | C．how | D．whether |
—Have you heard from Janet recently?
—No, but I________her over Christmas.
| A．saw |
| B．have seen |
| C．will be seeing |
| D．have been seeing |
—She has been ill for a week.
—I________with her at noon tomorrow.
| A．stayed |
| B．stay |
| C．am staying |
| D．shall be staying |
They________with us for the time being.
| A．would stay |
| B．will stay |
| C．have been staying |
| D．will be staying |
At this time tomorrow________over the Atlantic.
| A．we're going to fly |
| B．we'll be flying |
| C．we'll fly |
| D．we're to fly |
—What are you going to do this afternoon?
—I am going to the theatre with some friends. The play________quite early, so we________to the park after that.
| A．finished; are going |
| B．finished；go |
| C．finishes; are going |
| D．finishes; go |