The students found _______ easy to work out this maths problem.

I heard you bought a new house last week. —-Yes,it is ________ my old one .

Though Lei Feng ________ for fifty years, we are still learning from his spirit.

Which would you like, coffeetea?—Teamilk, please. [ ]

Do you know the boy _______ Simon? —Yes, he’s my brother’s good friend.