It’s been three years we last saw our primary school classmates.

Do you know who said the famous __ ___ “one small step for a man, one giant leap for mankind”

29．What troubles her is that she can’t buy_____she wants with the money she earns

There is no doubt ________ China has made a great breakthrough in developing education in the countryside.[ ]

I’m tired and stressedout. —You should ___________.