______ are very popular with people all over the world, but do you know who was it that invented ______ telephone?
| A．The telephone; 不填 |
| B．Telephone; a |
| C．The telephones; the |
| D．Telephones; the |
The workers are trying hard to produce as many cars as they can the people’s needs.
| A．to fit | B．meet | C．to satisfy | D．suit |
It’s generally considered unwise to give a child he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
to looking after her sick mother for two years,she badly needed a holiday.
| A．Having devoted | B．Devoted | C．To be devoted | D．To have devoted |
I failed in the fimal examination last term and only then the importance of studies.
| A．I realized | B．I had realized | C．had I realized | D．did I realized |
The flight will be announced soon. ____ ,please remain seated.
| A．Besides | B．After all | C．Meanwhile | D．In general |