Shenzhou VIII spaceship and Tiangong-1 space lab____ into the space in 2011. A. sent B. were sending C. were sent
I _______ you are well.
Who do you often do the shopping _______?
There _______ an apple and two oranges on the table.
It’s so cold today. Don’t keep the window ___________.
________ three years and a half since they began to build the great bridge.