–Can I borrow your ruler?---Sorry, I left ___ at home. But you can buy ____ in the shop.A. it; one B. it; it C, one; it D. one; one
I wish I ____fly to the moon one day
____Lily ___Lucy can go with you , because one of them has to stay here to look after their mother
It`s not easy _______ Chinese students _______English well.
Mother told her son _______do that _______
Who saw it ______ at that time?