30. The elephant I saw in the zoo ate _____ all the things the visitors gave it.
| A．up | B．at | C．out | D．Off |
The young man went into the cinema and after____ seemed half an hour hecame
out.
| A．that | B．it | C．what | D．which |
.____me that you choose,so long as you finish the job on time.
| A．It isn’t a matter to me what | B．What doesn’t matter is that |
| C．It doesn’t matter to me which | D．No matter which |
.____it will do us harm or good remains to be seen.
| A．If | B．Whether | C．That | D．Where |
The river,____are covered with trees, is very long.
| A．which banks | B．of which banks |
| C．whose the banks | D．the banks of which |
. He is rather difficult to makefriends with, but his friendship, ____, ismore true than
anyother.
| A．once gained | B．when to gain | C．after is gained | D．while gaining |