. The flowers now raised here have developed from those ________ in the forest.
| A．once they grew | B．they grew once | C．that once grew | D．once grew |
I wish you’d do ____ talking and some more work. Thus things will become better.
| A．a bit less | B．any less | C．much more | D．a little more |
Try to spend your time just on the things you find .
| A．worth doing them | B．worth being done |
| C．worthy of doing them | D．worthy of being done |
more and more forests destroyed, some animals are facing the danger of dying out.
A. AsB ByC. ForD. With
It looks as if they were going to us 3,000 dollars for the concert hall.
| A．want | B．charge | C．demand | D．cost |
I wrote to my parents to ask for some money, because my money began to.
| A．give away | B．give in | C．give off | D．give out |