Studies show that Americans chat on their phones for more than five hours a month, _____ Europeans.
| A．as much as twice | B．twice as much as |
| C．as much twice as | D．as twice much as |
___ 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 |
--___ you got to know my telephone number? ---Through a friend of yours.
| A．How was it | B．How was it that | C．Was it how that | D．How did |