The old lady was so pleased with all ______ we had done for her ______ she wrote us a thank-you letter.
. ______ are allowed to take part in the outdoor activities.
How long do you think it will be ______ the Chinese people land on the moon?
---Will you be _________ this evening, Mary? ---That depends. I am afraid I will be with my manager together discussing a plan.
Don’t quarrel with your friend, ________will damage your friendship.
The White Horse Temple in Luoyang is one of the first historic buildings________ to receive special state protection.