He______the job well, but he______so careless.
| A．had done; had been |
| B．could do; was |
| C．could have done; was |
| D．hadn’t done; had been |
I heard_____ voice that had been shouted to me as a child.
| A．every | B．such | C．any | D．one |
.How can you pass the examination_____ you never attended class?
| A．in case | B．even if | C．unless | D．when |
Don’t touch anything in the lab unless____.
A. to be allowed B. allowed C, to be allowing D.allowed to
I hear____ boys in your school like playing football in their spare time,though others prefer basketball.
| A．quite a few | B．quite a lot | C．quite a bit | D．quite a little |
She may have missed the train,____ she won’t arrive for another hour.
| A．whose case | B．in which case | C．in any case | D．in that case |