Fill in the blanks with proper prep．

My father is ________ work, so you can go to his office to see him．

Fill in the blanks with proper prep．

It’s seven forty, and I must leave ________ school now．

Fill in the blanks with proper prep．

Shanghai is ________ the east of China．

Fill in the blanks with proper prep．

Can you send your picture to me ________ email?

Fill in the blanks with proper prep．

Remember to say“Happy New Year”________ your grandparents．

Fill in the blanks with proper prep．

You can decorate the Christmas tree ________ these little balls．

Fill in the blanks with proper prep．

Oliver is getting ready ________ his birthday party．

Fill in the blanks with proper prep．

Kelly hates to sit ________ the back．Because it’s hard for her to hear and see．

Fill in the blanks with proper prep．

I’m going to take these visitors ________ our school and tell them our school’s history．

My mother thinks listening to music is r________ when she feels tired．