____ that caused him to serve dinner an hour later than usual.
| A．It was we being late | B．It was our being late |
| C．It was we were too late | D．It was because we were late |
Alice laid her baby on the sofa_____ and wrapped it with a blanket.
| A．silently | B．tenderly | C．friendly | D．comfortably |
Lawyers often make higher _____ for their work than they should.
| A．bills | B．charges | C．prices | D．costs |
Some of the traditional industries have lost their_____ with the rise of the new ones.
| A．energy | B．strength | C．vigour | D．power |
In Shanghai, people______ thousand tons of watermelon every summer.
| A．swallow | B．eat | C．consume | D．exhaust |
We regret to inform you that the materials you ordered are out of________.
| A．work | B．reach | C．stock | D．practice |