I found the cat _____ under the bed, who had caught a mouse.
| A．hiding | B．hidden | C．to hide | D．having hidden |
Helen alway s helps her mother even though going to school _____ most of her day.
| A．puts up | B．makes up |
| C．saves up | D．takes up |
During the last three decades, the number of people participating in physical fitness programs ________ sharply.
| A．was increasing | B．has increased |
| C．had increased | D．will be increasing |
You can imagine the difficulty they have ________ such a large population.
| A．fed | B．to feed |
| C．feeding | D．been fed |
____ apple fell from the tree and hit him on ______ head.
| A．An; the | B．The; the |
| C．An; 不填 | D．The; 不填 |
Now when people refer to England you find Wales______ as well.
| A．include | B．included |
| C．including | D．includes |