The experts were doing their experiment in the lab, ______ what happened outside.
| A．didn’t know | B．not knew |
| C．not knowing | D．having not known |
_______ in time, little Franz was afraid. ________ scolded.
| A．Not having come…of being | B．Having not come…to be |
| C．Having not come…of being | D．Not having come…to be |
——Has Jane arrived yet? ——No, she_______ an hour ago.
| A．was supposed to come | B．must have come |
| C．should come | D．ought to have come |
If you don’t turn up by 8 o’clock, we’ll go ______ you.
| A．without | B．except | C．but | D．besides |
I found him _________ in an armchair, ___________.
| A．sit…and read | B．seated…reading | C．sitting…and read | D．seating…reading |
Patty: How about going for a walk?
Nancy: ________.
| A．I’ll walk with you at eight | B．That’s not a bad idea |
| C．Walking is a kind of exercise | D．It will take me minutes to have a walk |