__________ seemed that she was not interested in the topic they were talking about.
| A．It | B．There |
| C．She | D．They |
She didn't answer the phone.She ___ be asleep.
| A．couldn't | B．mustn’t | C．might | D．had to |
___ people gather there, talking about the film about Comrade Lei Feng.
| A．A great deal of | B．The large amount of | C．The number of | D．A great many |
I can't remember where I have put that book.Maybe they are ___ which one is not correct.
| A．missed | B．lost | C．gone | D．missing |
More than one student ___ that experiment.
| A．has finished | B．have finished | C．are finishing | D．were finishing |
The teacher together with his students ___ down at the desk and having a discussion in the classroom.
| A．is sitting | B．sat | C．are sitting | D．would sit |