My mother lets me______ a lot of housework, and it makes me _____ sad.
--What day is it today?
How much time did you spend the new words in Unit 10?
Since June 1 2008,all the markets have_________free plastic bags.
---Have you seen Dr. Adams recently?---No. He __________ Hong Kong for an important meeting. He’ll come back tomorrow.
-- Has your sister come back? --Yes, she has. She______ back two days ago.