请问下面句子改成宾语从句那一句是对的?1.why did he try to fool us?can you tell me?(1).can you tell me why he tried to fool us?（2).can you tell me why he did try to fool us?(3).can you tell me why he try to fool us?.2.Did Alice work

Question

请问下面句子改成宾语从句那一句是对的?
1.why did he try to fool us?can you tell me?(1).can you tell me why he tried to fool us?（2).can you tell me why he did try to fool us?(3).can you tell me why he try to fool us?.2.Did Alice work out the problem herself?could you tell us?(1).could you tell us if (whether) Alice worked out the problem (by?)herself.(2).could you tell us if alice could work out the problem (by?) herself.(3).could you tell us if alice did work out the problem(by?) herself.3.are they preparing for the sports meet?could you tell us?could you tell us if they are(were?)preparing for the sports meet?

Answer 1

都选(1)