The three of us __________around Europe for about a month last summer.
| A．travelled | B．have travelled | C．had travelled | D．travel |
The production___steadily,the factory needs an ever-increasing supply of raw materials
| A．has gone up |
| B．is going up |
| C．having gone up |
| D．being gone up |
Surely her daughter’s big effort___her made her very pleased
| A．please |
| B．pleased |
| C．to please |
| D．having pleased |
Although the lecture had already been on for five minutes,I was still not able to find a chair___
| A．to sit |
| B．for to sit on |
| C．to sit on |
| D．for sitting |
—The last one___pays the meal
—Agree!
| A．arrived |
| B．arrives |
| C．to arrive |
| D．arriving |
The traffic problems have severely affected economic development,___we must spare no efforts to solve them
| A．Futhermore |
| B．Therefore |
| C．Meanwhile |
| D．Nevertheless |