A cook will be immediately fired if he is found _______ in the kitchen.
| A．smoke | B．smoking | C．to smoke | D．smoked |
_______ the right decisions _______ the future is probably the most important thing we’ll ever do in our lives.
| A．Making; concerned |
| B．Make; concerning |
| C．To make; concerned |
| D．Making; concerning |
The boy wanted to ride his bicycle in the street, but his mother told him _______.
| A．not to | B．not to do |
| C．not do it | D．do not to |
The king is said to _______ by the spider weaving its web in the cave where he was hiding and defeated his enemy at last.
| A．be encouraged |
| B．being encouraged |
| C．have been encouraged |
| D．have encouraged |
To our surprise, the painting considered _______ should have won the prize.
| A．being copied |
| B．having been copied |
| C．to have copied |
| D．to have been copied |
Limited natural resources should be made full use of _______ the _______ need of energy.
| A．meeting; increasing |
| B．to meet; increased |
| C．meeting; increased |
| D．to meet; increasing |