According to the periodic table, still some elements undiscovered.
| A．there seem to be | B．it seems to be | C．it seems that | D．here seem |
The teacher as well as 6 girls and 8 boys from her class ________visiting a museum when the earthquake struck the city.
| A．was | B．were | C．had been | D．is |
Studies show that people are more ________ to suffer from back problems if they always sit before computer screens for many hours.
| A．possible | B．supposed | C．sure | D．likely |
To be honest, these documents ________ to the public.
| A．are not accessible | B．have no access |
| C．don’t access | D．gain access |
When he walked through the gate, no one noticed he was using an ________ permit.
| A．out of date | B．up to date |
| C．out-of-date | D．in-fashion |
My computer began to return to the ________ running state after I killed the virus.
| A．common | B．ordinary | C．general | D．normal |