Planes will be very cheap in the future（改为一般疑问句）

Planes will be very cheap in the future（改为一般疑问句） There will be school in the future改为一般疑问句 I think there will be more trees in the future.（改为一般疑问句） ___ 一个英语改句子!there will be less pollution in the future.（改为一般疑问句） I think fly will be very cheap in the future.Everyone will h If you swim in the sea,it will be very dangerous.(改为一般疑问句） 初二英语试题There will be more robots in the future.(改为一般疑问句)_____ there will be robots in the future 一般疑问句 找错哦,I think fly will be very cheap in the future.Everyone wi I'm sure he will success in the future.（改为一般疑问句） She wants to be a singer in the future.（改为一般疑问句） There will be a tall buildiing in the future.(改为一般疑问句,并作否定和肯