Look. How clean the window is! It ________ just now.A. was cleaned B. is cleaned . has been cleaned D. will be cleaned
Pandas would die ______ if people were allowed to hunt ______ they wished.
This is the only painting in this style ____________ we have.
___________ from space, the earth looks like a blue ball.
I suggested the meeting ______ at the manager’s office.
Today, we _____ work as hard as people did in the past.