﹣﹣﹣I'm the only child in my family,Tom.
﹣﹣﹣I don't have brothers________ sisters,either.( )
A.andB.orC.butD.for
My parents and I_________ trees last Sunday.( )
A.plantB.will plant
C.are plantingD.planted
—Peter,what are you doing?
—Oh,I_________a report about national heroes.( )
A.will writeB.am writing
C.wroteD.have written
The teacher is glad to see that Tony is_______than before.( )
A.carefulB.more careful
C.most carefulD.the most careful
The doctors worked for ten hours,___________nobody took a break.( )
A.soB.forC.butD.or
—Sam,_________I join you in the community service?
—Of course you can.( )
A.canB.mustC.shouldD.need