On March 27th,The Forbidden City also turned off its lights for one hour to raise__________of climate change.
---Could you turn the TV down a little bit? ---______. Is it disturbing you?
Unfortunately when we arrived she ___, So we only had time for a few words.
---Where is mother? ---She is in the kitchen. She ___ the dinner for the party the whole afternoon.
The students _______ busily when Miss Brown went to get a book she _______ in the office.
The building which _____ now will be our science laboratory.