______ the bikes are too old to ride. I’ll have got to get them ______.
| A．Both; repaired | B．Neither; repaired |
| C．Either; to repaired | D．All; to repair |
.
Many wild animals in the world _____ , so we must take measures to protect them.
| A．are dying out | B．have died out | C．died out | D．die out |
.
________ on the radio or see on TV is only a small part of all the wonderful music that is waiting for us.
| A．What | B．That | C．Which | D．All what |
.
— Would you like to go to the exhibition with me, Dorothy?
—I have got no interest in it; ______ , I have lots of emails to send.
| A．otherwise | B．besides | C．however | D．therefore |
.
---Though I met with one difficulty after another, I _____ to get through with it.
--Congratulations to you!
| A．hoped | B．tired | C．wanted | D．managed |
.
You may fly to South Korea next Friday, ______ you don’t mind changing planes on the way.
| A．as far as | B．provided | C．unless | D．supposing |