it‘s not easy to do the same things better还是it‘s not easy to
it‘s not easy to do the same things better还是it‘s not easy to
it's not easy to do
It's not easy __ (make) the robot do the same things as peop
It's not so easy to loving
It's not easy to be everybody!
it's not easy to predict the future同义句
it's not easy+?
It's not easy to be an astronaut’s son ..
用 It's better not to do
It's easy to ()
It's not easy for me to learn math.
it's not easy to forgettsomeehing that really happy: