In order to make our city green，______.
| A．it is necessary to have planted more trees |
| B．many more trees need to plant |
| C．our city needs more trees |
| D．we must plant more trees |
Sarah hopes to become a friend of__________shares her interests.
| A．anyone | B．whomever | C．whoever | D．no matter who |
__________leaves the room last ought to turn off the lights.
| A．Anyone | B．The person | C．Whoever | D．Who |
The question has been raised at the meeting__________each member country should share the expenses of the committee.
| A．which | B．if | C．what | D．whether |
What the doctors really doubt is__________my mother will recover from the serious disease soon.
| A．when | B．how | C．whether | D．why |
He asked__________for a violin.
| A．did I pay how much | B．I paid how much |
| C．how much did I pay | D．how much I paid |