问题
选择题
— the team finished most of their research work?
—Yes, but the rest rather difficult.
A．Has, are
B．Has, is
C．Have, are
D．Have, is
答案
答案：D
考查主谓一致。the team指代的团队的所有队员，故谓语动词用复数。the rest指代上句中的research work，为不可数名词，故用单数。选D。