As you know, I have just returned from my holidays in Athens, where I _____ for a fortnight.
| A．stayed |
| B．had stayed |
| C．would stay |
| D．was staying |
I’m really tired of Tom because he ______ keep asking silly questions.
| A．can | B．will | C．must | D．would |
What you learn today ______ of practical use when you hunt for a job.
| A．is proved | B．proves | C．will be proved | D．will prove |
______ the danger ahead on the railway line, he decided to go to Beijing by plane instead.
| A．Having been informed of | B．Having informed of |
| C．To be informed of | D．Informing of |
My parents, without ______ help I wouldn’t have become who I am, have taught me the true meaning of life.
| A．whom | B．their | C．whose | D．them |
_ properly, a car can be used for many years.
| A．Maintained | B．Maintaining |
| C．To be maintained | D．To maintain |