---_________ ?
---I’m not sure, but he might have been ill in bed.
| A．What do you think has happened to Tom |
| B．What do you think Tom has happened |
| C．Do you think what has happened to Tom |
| D．Do you think what Tom has happened |
【2015·重庆】Like ancient sailors, birds can find their way____ the sun and the stars.
| A．used | B．having used | C．using | D．use |
【2015·重庆】____ in the poorest area of Glasgow, he had a long, hard road to becoming a football star.
| A．Being raised | B．Raising | C．Raised | D．To raise |
【2015·北京】If ___for the job, you’ll be informed soon.
| A．to accept | B．accept | C．accepting | D．accepted |
【2015·北京】The park was full of people,____themselves in the sunshine.
| A．having enjoyed | B．enjoyed |
| C．enjoying | D．to enjoy |
【2015·北京】_____the early flight,we ordered a taxi in advance and got up very early.
| A．Catching | B．Caught | C．To catch | D．Catch |