Many countries are setting up nation parks animals and plants can be protected.
A. when B.which C.where
I ______ an hour finishing my homework yesterday.
| A．cost | B．paid | C．spent | D．took |
The shoes are beautiful. Please ___________
| A．try it on | B．try on it | C．try them on | D．try on them |
You are too tired, please stop _______.
| A．to work | B．work | C．working | D．worked |
This is ____ bike. ______ is over there.
| A．her, my | B．hers, mine | C．hers, my | D．her, mine |
There is _______ hot water in the cup.
| A．many too | B．too many | C．too much | D．much too |